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Shaun0228
Apr 8th, 2020
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  1. [WARNING] java.lang.NoSuchMethodException: org.bukkit.craftbukkit.v1_12_R1.block.CraftCreatureSpawner.getTileEntity()
  2.  
  3. [WARNING] at java.lang.Class.newNoSuchMethodException(Class.java:562)
  4.  
  5. [WARNING] at java.lang.Class.throwExceptionOrReturnNull(Class.java:1195)
  6.  
  7. [WARNING] at java.lang.Class.getMethodHelper(Class.java:1259)
  8.  
  9. [WARNING] at java.lang.Class.getDeclaredMethod(Class.java:931)
  10.  
  11. [WARNING] at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:24)
  12.  
  13. [WARNING] at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45)
  14.  
  15. [WARNING] at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source)
  16.  
  17. [WARNING] at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76)
  18.  
  19. [WARNING] at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361)
  20.  
  21. [WARNING] at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739)
  22.  
  23. [WARNING] at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406)
  24.  
  25. [WARNING] at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679)
  26.  
  27. [WARNING] at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577)
  28.  
  29. [WARNING] at java.lang.Thread.run(Thread.java:813)
  30.  
  31. [WARNING] [UltimateStacker] Task #7107 for UltimateStacker v1.11.10 generated an exception
  32.  
  33. java.lang.NullPointerException: null
  34.  
  35. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  36.  
  37. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  38.  
  39. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  40.  
  41. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  42.  
  43. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  44.  
  45. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  46.  
  47. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  48.  
  49. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  50.  
  51. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  52.  
  53. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  54.  
  55. [WARNING] [UltimateStacker] Task #7109 for UltimateStacker v1.11.10 generated an exception
  56.  
  57. java.lang.NullPointerException: null
  58.  
  59. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  60.  
  61. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  62.  
  63. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  64.  
  65. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  66.  
  67. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  68.  
  69. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  70.  
  71. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  72.  
  73. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  74.  
  75. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  76.  
  77. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  78.  
  79. [WARNING] [UltimateStacker] Task #7111 for UltimateStacker v1.11.10 generated an exception
  80.  
  81. java.lang.NullPointerException: null
  82.  
  83. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  84.  
  85. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  86.  
  87. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  88.  
  89. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  90.  
  91. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  92.  
  93. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  94.  
  95. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  96.  
  97. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  98.  
  99. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  100.  
  101. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  102.  
  103. [WARNING] [UltimateStacker] Task #7113 for UltimateStacker v1.11.10 generated an exception
  104.  
  105. java.lang.NullPointerException: null
  106.  
  107. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  108.  
  109. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  110.  
  111. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  112.  
  113. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  114.  
  115. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  116.  
  117. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  118.  
  119. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  120.  
  121. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  122.  
  123. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  124.  
  125. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  126.  
  127. [WARNING] [UltimateStacker] Task #7115 for UltimateStacker v1.11.10 generated an exception
  128.  
  129. java.lang.NullPointerException: null
  130.  
  131. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  132.  
  133. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  134.  
  135. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  136.  
  137. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  138.  
  139. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  140.  
  141. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  142.  
  143. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  144.  
  145. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  146.  
  147. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  148.  
  149. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  150.  
  151. [WARNING] [UltimateStacker] Task #7117 for UltimateStacker v1.11.10 generated an exception
  152.  
  153. java.lang.NullPointerException: null
  154.  
  155. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  156.  
  157. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  158.  
  159. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  160.  
  161. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  162.  
  163. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  164.  
  165. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  166.  
  167. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  168.  
  169. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  170.  
  171. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  172.  
  173. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  174.  
  175. [WARNING] [UltimateStacker] Task #7119 for UltimateStacker v1.11.10 generated an exception
  176.  
  177. java.lang.NullPointerException: null
  178.  
  179. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  180.  
  181. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  182.  
  183. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  184.  
  185. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  186.  
  187. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  188.  
  189. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  190.  
  191. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  192.  
  193. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  194.  
  195. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  196.  
  197. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  198.  
  199. [WARNING] [UltimateStacker] Task #7121 for UltimateStacker v1.11.10 generated an exception
  200.  
  201. java.lang.NullPointerException: null
  202.  
  203. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  204.  
  205. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  206.  
  207. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  208.  
  209. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  210.  
  211. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  212.  
  213. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  214.  
  215. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  216.  
  217. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  218.  
  219. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  220.  
  221. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  222.  
  223. [WARNING] [UltimateStacker] Task #7123 for UltimateStacker v1.11.10 generated an exception
  224.  
  225. java.lang.NullPointerException: null
  226.  
  227. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  228.  
  229. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  230.  
  231. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  232.  
  233. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  234.  
  235. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  236.  
  237. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  238.  
  239. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  240.  
  241. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  242.  
  243. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  244.  
  245. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  246.  
  247. [WARNING] [UltimateStacker] Task #7125 for UltimateStacker v1.11.10 generated an exception
  248.  
  249. java.lang.NullPointerException: null
  250.  
  251. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  252.  
  253. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  254.  
  255. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  256.  
  257. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  258.  
  259. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  260.  
  261. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  262.  
  263. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  264.  
  265. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  266.  
  267. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  268.  
  269. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  270.  
  271. [WARNING] [UltimateStacker] Task #7127 for UltimateStacker v1.11.10 generated an exception
  272.  
  273. java.lang.NullPointerException: null
  274.  
  275. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  276.  
  277. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  278.  
  279. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  280.  
  281. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  282.  
  283. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  284.  
  285. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  286.  
  287. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  288.  
  289. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  290.  
  291. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  292.  
  293. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  294.  
  295. [WARNING] [UltimateStacker] Task #7129 for UltimateStacker v1.11.10 generated an exception
  296.  
  297. java.lang.NullPointerException: null
  298.  
  299. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  300.  
  301. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  302.  
  303. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  304.  
  305. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  306.  
  307. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  308.  
  309. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  310.  
  311. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  312.  
  313. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  314.  
  315. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  316.  
  317. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  318.  
  319. [WARNING] [UltimateStacker] Task #7131 for UltimateStacker v1.11.10 generated an exception
  320.  
  321. java.lang.NullPointerException: null
  322.  
  323. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  324.  
  325. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  326.  
  327. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  328.  
  329. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  330.  
  331. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  332.  
  333. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  334.  
  335. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  336.  
  337. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  338.  
  339. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  340.  
  341. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  342.  
  343. [WARNING] [UltimateStacker] Task #7133 for UltimateStacker v1.11.10 generated an exception
  344.  
  345. java.lang.NullPointerException: null
  346.  
  347. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  348.  
  349. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  350.  
  351. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  352.  
  353. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  354.  
  355. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  356.  
  357. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  358.  
  359. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  360.  
  361. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  362.  
  363. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  364.  
  365. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  366.  
  367. [WARNING] [UltimateStacker] Task #7135 for UltimateStacker v1.11.10 generated an exception
  368.  
  369. java.lang.NullPointerException: null
  370.  
  371. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  372.  
  373. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  374.  
  375. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  376.  
  377. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  378.  
  379. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  380.  
  381. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  382.  
  383. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  384.  
  385. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  386.  
  387. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  388.  
  389. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  390.  
  391. [WARNING] [UltimateStacker] Task #7137 for UltimateStacker v1.11.10 generated an exception
  392.  
  393. java.lang.NullPointerException: null
  394.  
  395. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  396.  
  397. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  398.  
  399. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  400.  
  401. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  402.  
  403. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  404.  
  405. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  406.  
  407. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  408.  
  409. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  410.  
  411. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  412.  
  413. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  414.  
  415. [WARNING] [UltimateStacker] Task #7139 for UltimateStacker v1.11.10 generated an exception
  416.  
  417. java.lang.NullPointerException: null
  418.  
  419. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  420.  
  421. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  422.  
  423. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  424.  
  425. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  426.  
  427. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  428.  
  429. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  430.  
  431. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  432.  
  433. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  434.  
  435. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  436.  
  437. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  438.  
  439. [WARNING] [UltimateStacker] Task #7141 for UltimateStacker v1.11.10 generated an exception
  440.  
  441. java.lang.NullPointerException: null
  442.  
  443. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  444.  
  445. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  446.  
  447. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  448.  
  449. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  450.  
  451. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  452.  
  453. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  454.  
  455. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  456.  
  457. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  458.  
  459. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  460.  
  461. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  462.  
  463. [WARNING] [UltimateStacker] Task #7143 for UltimateStacker v1.11.10 generated an exception
  464.  
  465. java.lang.NullPointerException: null
  466.  
  467. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  468.  
  469. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  470.  
  471. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  472.  
  473. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  474.  
  475. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  476.  
  477. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  478.  
  479. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  480.  
  481. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  482.  
  483. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  484.  
  485. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  486.  
  487. [WARNING] [UltimateStacker] Task #7145 for UltimateStacker v1.11.10 generated an exception
  488.  
  489. java.lang.NullPointerException: null
  490.  
  491. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  492.  
  493. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  494.  
  495. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  496.  
  497. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  498.  
  499. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  500.  
  501. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  502.  
  503. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  504.  
  505. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  506.  
  507. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  508.  
  509. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  510.  
  511. [WARNING] [UltimateStacker] Task #7147 for UltimateStacker v1.11.10 generated an exception
  512.  
  513. java.lang.NullPointerException: null
  514.  
  515. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  516.  
  517. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  518.  
  519. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  520.  
  521. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  522.  
  523. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  524.  
  525. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  526.  
  527. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  528.  
  529. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  530.  
  531. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  532.  
  533. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  534.  
  535. [WARNING] [UltimateStacker] Task #7149 for UltimateStacker v1.11.10 generated an exception
  536.  
  537. java.lang.NullPointerException: null
  538.  
  539. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  540.  
  541. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  542.  
  543. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  544.  
  545. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  546.  
  547. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  548.  
  549. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  550.  
  551. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  552.  
  553. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  554.  
  555. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  556.  
  557. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  558.  
  559. [WARNING] [UltimateStacker] Task #7151 for UltimateStacker v1.11.10 generated an exception
  560.  
  561. java.lang.NullPointerException: null
  562.  
  563. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  564.  
  565. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  566.  
  567. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  568.  
  569. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  570.  
  571. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  572.  
  573. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  574.  
  575. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  576.  
  577. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  578.  
  579. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  580.  
  581. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  582.  
  583. [WARNING] [UltimateStacker] Task #7153 for UltimateStacker v1.11.10 generated an exception
  584.  
  585. java.lang.NullPointerException: null
  586.  
  587. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  588.  
  589. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  590.  
  591. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  592.  
  593. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  594.  
  595. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  596.  
  597. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  598.  
  599. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  600.  
  601. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  602.  
  603. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  604.  
  605. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  606.  
  607. [WARNING] [UltimateStacker] Task #7155 for UltimateStacker v1.11.10 generated an exception
  608.  
  609. java.lang.NullPointerException: null
  610.  
  611. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  612.  
  613. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  614.  
  615. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  616.  
  617. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  618.  
  619. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  620.  
  621. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  622.  
  623. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  624.  
  625. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  626.  
  627. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  628.  
  629. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  630.  
  631. [WARNING] [UltimateStacker] Task #7157 for UltimateStacker v1.11.10 generated an exception
  632.  
  633. java.lang.NullPointerException: null
  634.  
  635. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  636.  
  637. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  638.  
  639. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  640.  
  641. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  642.  
  643. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  644.  
  645. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  646.  
  647. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  648.  
  649. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  650.  
  651. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  652.  
  653. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  654.  
  655. [WARNING] [UltimateStacker] Task #7159 for UltimateStacker v1.11.10 generated an exception
  656.  
  657. java.lang.NullPointerException: null
  658.  
  659. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  660.  
  661. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  662.  
  663. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  664.  
  665. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  666.  
  667. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  668.  
  669. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  670.  
  671. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  672.  
  673. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  674.  
  675. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  676.  
  677. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  678.  
  679. [WARNING] [UltimateStacker] Task #7161 for UltimateStacker v1.11.10 generated an exception
  680.  
  681. java.lang.NullPointerException: null
  682.  
  683. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  684.  
  685. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  686.  
  687. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  688.  
  689. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  690.  
  691. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  692.  
  693. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  694.  
  695. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  696.  
  697. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  698.  
  699. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  700.  
  701. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  702.  
  703. [WARNING] [UltimateStacker] Task #7163 for UltimateStacker v1.11.10 generated an exception
  704.  
  705. java.lang.NullPointerException: null
  706.  
  707. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  708.  
  709. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  710.  
  711. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  712.  
  713. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  714.  
  715. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  716.  
  717. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  718.  
  719. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  720.  
  721. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  722.  
  723. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  724.  
  725. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  726.  
  727. [WARNING] [UltimateStacker] Task #7165 for UltimateStacker v1.11.10 generated an exception
  728.  
  729. java.lang.NullPointerException: null
  730.  
  731. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  732.  
  733. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  734.  
  735. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  736.  
  737. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  738.  
  739. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  740.  
  741. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  742.  
  743. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  744.  
  745. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  746.  
  747. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  748.  
  749. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  750.  
  751. [WARNING] [UltimateStacker] Task #7167 for UltimateStacker v1.11.10 generated an exception
  752.  
  753. java.lang.NullPointerException: null
  754.  
  755. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  756.  
  757. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  758.  
  759. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  760.  
  761. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  762.  
  763. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  764.  
  765. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  766.  
  767. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  768.  
  769. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  770.  
  771. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  772.  
  773. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  774.  
  775. [WARNING] [UltimateStacker] Task #7169 for UltimateStacker v1.11.10 generated an exception
  776.  
  777. java.lang.NullPointerException: null
  778.  
  779. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  780.  
  781. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  782.  
  783. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  784.  
  785. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  786.  
  787. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  788.  
  789. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  790.  
  791. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  792.  
  793. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  794.  
  795. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  796.  
  797. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  798.  
  799. [WARNING] [UltimateStacker] Task #7171 for UltimateStacker v1.11.10 generated an exception
  800.  
  801. java.lang.NullPointerException: null
  802.  
  803. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  804.  
  805. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  806.  
  807. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  808.  
  809. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  810.  
  811. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  812.  
  813. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  814.  
  815. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  816.  
  817. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  818.  
  819. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  820.  
  821. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  822.  
  823. [WARNING] [UltimateStacker] Task #7173 for UltimateStacker v1.11.10 generated an exception
  824.  
  825. java.lang.NullPointerException: null
  826.  
  827. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  828.  
  829. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  830.  
  831. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  832.  
  833. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  834.  
  835. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  836.  
  837. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  838.  
  839. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  840.  
  841. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  842.  
  843. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  844.  
  845. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  846.  
  847. [WARNING] [UltimateStacker] Task #7175 for UltimateStacker v1.11.10 generated an exception
  848.  
  849. java.lang.NullPointerException: null
  850.  
  851. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  852.  
  853. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  854.  
  855. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  856.  
  857. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  858.  
  859. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  860.  
  861. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  862.  
  863. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  864.  
  865. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  866.  
  867. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  868.  
  869. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  870.  
  871. [WARNING] [UltimateStacker] Task #7177 for UltimateStacker v1.11.10 generated an exception
  872.  
  873. java.lang.NullPointerException: null
  874.  
  875. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  876.  
  877. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  878.  
  879. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  880.  
  881. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  882.  
  883. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  884.  
  885. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  886.  
  887. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  888.  
  889. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  890.  
  891. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  892.  
  893. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  894.  
  895. [WARNING] [UltimateStacker] Task #7179 for UltimateStacker v1.11.10 generated an exception
  896.  
  897. java.lang.NullPointerException: null
  898.  
  899. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  900.  
  901. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  902.  
  903. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  904.  
  905. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  906.  
  907. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  908.  
  909. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  910.  
  911. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  912.  
  913. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  914.  
  915. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  916.  
  917. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  918.  
  919. [WARNING] [UltimateStacker] Task #7181 for UltimateStacker v1.11.10 generated an exception
  920.  
  921. java.lang.NullPointerException: null
  922.  
  923. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  924.  
  925. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  926.  
  927. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  928.  
  929. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  930.  
  931. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  932.  
  933. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  934.  
  935. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  936.  
  937. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  938.  
  939. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  940.  
  941. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  942.  
  943. [WARNING] [UltimateStacker] Task #7185 for UltimateStacker v1.11.10 generated an exception
  944.  
  945. java.lang.NullPointerException: null
  946.  
  947. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  948.  
  949. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  950.  
  951. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  952.  
  953. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  954.  
  955. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  956.  
  957. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  958.  
  959. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  960.  
  961. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  962.  
  963. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  964.  
  965. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  966.  
  967. [WARNING] [UltimateStacker] Task #7187 for UltimateStacker v1.11.10 generated an exception
  968.  
  969. java.lang.NullPointerException: null
  970.  
  971. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  972.  
  973. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  974.  
  975. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  976.  
  977. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  978.  
  979. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  980.  
  981. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  982.  
  983. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  984.  
  985. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  986.  
  987. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  988.  
  989. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  990.  
  991. [WARNING] [UltimateStacker] Task #7189 for UltimateStacker v1.11.10 generated an exception
  992.  
  993. java.lang.NullPointerException: null
  994.  
  995. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  996.  
  997. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  998.  
  999. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1000.  
  1001. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1002.  
  1003. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1004.  
  1005. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1006.  
  1007. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1008.  
  1009. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1010.  
  1011. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1012.  
  1013. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1014.  
  1015. [WARNING] [UltimateStacker] Task #7191 for UltimateStacker v1.11.10 generated an exception
  1016.  
  1017. java.lang.NullPointerException: null
  1018.  
  1019. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1020.  
  1021. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1022.  
  1023. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1024.  
  1025. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1026.  
  1027. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1028.  
  1029. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1030.  
  1031. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1032.  
  1033. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1034.  
  1035. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1036.  
  1037. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1038.  
  1039. [WARNING] [UltimateStacker] Task #7193 for UltimateStacker v1.11.10 generated an exception
  1040.  
  1041. java.lang.NullPointerException: null
  1042.  
  1043. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1044.  
  1045. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1046.  
  1047. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1048.  
  1049. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1050.  
  1051. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1052.  
  1053. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1054.  
  1055. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1056.  
  1057. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1058.  
  1059. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1060.  
  1061. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1062.  
  1063. [WARNING] [UltimateStacker] Task #7195 for UltimateStacker v1.11.10 generated an exception
  1064.  
  1065. java.lang.NullPointerException: null
  1066.  
  1067. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1068.  
  1069. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1070.  
  1071. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1072.  
  1073. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1074.  
  1075. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1076.  
  1077. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1078.  
  1079. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1080.  
  1081. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1082.  
  1083. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1084.  
  1085. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1086.  
  1087. [WARNING] [UltimateStacker] Task #7197 for UltimateStacker v1.11.10 generated an exception
  1088.  
  1089. java.lang.NullPointerException: null
  1090.  
  1091. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1092.  
  1093. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1094.  
  1095. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1096.  
  1097. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1098.  
  1099. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1100.  
  1101. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1102.  
  1103. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1104.  
  1105. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1106.  
  1107. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1108.  
  1109. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1110.  
  1111. [WARNING] [UltimateStacker] Task #7199 for UltimateStacker v1.11.10 generated an exception
  1112.  
  1113. java.lang.NullPointerException: null
  1114.  
  1115. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1116.  
  1117. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1118.  
  1119. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1120.  
  1121. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1122.  
  1123. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1124.  
  1125. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1126.  
  1127. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1128.  
  1129. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1130.  
  1131. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1132.  
  1133. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1134.  
  1135. [WARNING] [UltimateStacker] Task #7201 for UltimateStacker v1.11.10 generated an exception
  1136.  
  1137. java.lang.NullPointerException: null
  1138.  
  1139. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1140.  
  1141. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1142.  
  1143. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1144.  
  1145. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1146.  
  1147. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1148.  
  1149. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1150.  
  1151. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1152.  
  1153. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1154.  
  1155. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1156.  
  1157. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1158.  
  1159. [WARNING] [UltimateStacker] Task #7203 for UltimateStacker v1.11.10 generated an exception
  1160.  
  1161. java.lang.NullPointerException: null
  1162.  
  1163. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1164.  
  1165. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1166.  
  1167. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1168.  
  1169. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1170.  
  1171. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1172.  
  1173. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1174.  
  1175. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1176.  
  1177. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1178.  
  1179. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1180.  
  1181. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1182.  
  1183. [WARNING] [UltimateStacker] Task #7205 for UltimateStacker v1.11.10 generated an exception
  1184.  
  1185. java.lang.NullPointerException: null
  1186.  
  1187. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1188.  
  1189. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1190.  
  1191. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1192.  
  1193. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1194.  
  1195. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1196.  
  1197. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1198.  
  1199. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1200.  
  1201. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1202.  
  1203. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1204.  
  1205. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1206.  
  1207. [WARNING] [UltimateStacker] Task #7207 for UltimateStacker v1.11.10 generated an exception
  1208.  
  1209. java.lang.NullPointerException: null
  1210.  
  1211. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1212.  
  1213. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1214.  
  1215. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1216.  
  1217. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1218.  
  1219. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1220.  
  1221. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1222.  
  1223. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1224.  
  1225. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1226.  
  1227. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1228.  
  1229. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1230.  
  1231. [WARNING] [UltimateStacker] Task #7209 for UltimateStacker v1.11.10 generated an exception
  1232.  
  1233. java.lang.NullPointerException: null
  1234.  
  1235. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1236.  
  1237. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1238.  
  1239. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1240.  
  1241. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1242.  
  1243. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1244.  
  1245. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1246.  
  1247. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1248.  
  1249. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1250.  
  1251. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1252.  
  1253. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1254.  
  1255. [WARNING] [UltimateStacker] Task #7211 for UltimateStacker v1.11.10 generated an exception
  1256.  
  1257. java.lang.NullPointerException: null
  1258.  
  1259. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1260.  
  1261. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1262.  
  1263. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1264.  
  1265. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1266.  
  1267. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1268.  
  1269. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1270.  
  1271. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1272.  
  1273. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1274.  
  1275. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1276.  
  1277. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1278.  
  1279. [WARNING] [UltimateStacker] Task #7213 for UltimateStacker v1.11.10 generated an exception
  1280.  
  1281. java.lang.NullPointerException: null
  1282.  
  1283. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1284.  
  1285. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1286.  
  1287. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1288.  
  1289. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1290.  
  1291. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1292.  
  1293. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1294.  
  1295. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1296.  
  1297. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1298.  
  1299. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1300.  
  1301. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1302.  
  1303. [WARNING] [UltimateStacker] Task #7215 for UltimateStacker v1.11.10 generated an exception
  1304.  
  1305. java.lang.NullPointerException: null
  1306.  
  1307. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1308.  
  1309. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1310.  
  1311. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1312.  
  1313. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1314.  
  1315. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1316.  
  1317. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1318.  
  1319. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1320.  
  1321. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1322.  
  1323. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1324.  
  1325. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1326.  
  1327. [WARNING] [UltimateStacker] Task #7217 for UltimateStacker v1.11.10 generated an exception
  1328.  
  1329. java.lang.NullPointerException: null
  1330.  
  1331. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1332.  
  1333. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1334.  
  1335. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1336.  
  1337. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1338.  
  1339. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1340.  
  1341. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1342.  
  1343. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1344.  
  1345. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1346.  
  1347. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1348.  
  1349. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1350.  
  1351. [WARNING] [UltimateStacker] Task #7219 for UltimateStacker v1.11.10 generated an exception
  1352.  
  1353. java.lang.NullPointerException: null
  1354.  
  1355. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1356.  
  1357. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1358.  
  1359. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1360.  
  1361. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1362.  
  1363. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1364.  
  1365. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1366.  
  1367. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1368.  
  1369. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1370.  
  1371. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1372.  
  1373. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1374.  
  1375. [WARNING] [UltimateStacker] Task #7221 for UltimateStacker v1.11.10 generated an exception
  1376.  
  1377. java.lang.NullPointerException: null
  1378.  
  1379. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1380.  
  1381. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1382.  
  1383. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1384.  
  1385. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1386.  
  1387. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1388.  
  1389. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1390.  
  1391. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1392.  
  1393. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1394.  
  1395. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1396.  
  1397. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1398.  
  1399. [WARNING] [UltimateStacker] Task #7223 for UltimateStacker v1.11.10 generated an exception
  1400.  
  1401. java.lang.NullPointerException: null
  1402.  
  1403. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1404.  
  1405. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1406.  
  1407. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1408.  
  1409. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1410.  
  1411. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1412.  
  1413. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1414.  
  1415. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1416.  
  1417. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1418.  
  1419. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1420.  
  1421. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1422.  
  1423. [WARNING] [UltimateStacker] Task #7225 for UltimateStacker v1.11.10 generated an exception
  1424.  
  1425. java.lang.NullPointerException: null
  1426.  
  1427. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1428.  
  1429. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1430.  
  1431. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1432.  
  1433. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1434.  
  1435. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1436.  
  1437. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1438.  
  1439. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1440.  
  1441. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1442.  
  1443. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1444.  
  1445. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1446.  
  1447. [WARNING] [UltimateStacker] Task #7227 for UltimateStacker v1.11.10 generated an exception
  1448.  
  1449. java.lang.NullPointerException: null
  1450.  
  1451. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1452.  
  1453. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1454.  
  1455. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1456.  
  1457. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1458.  
  1459. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1460.  
  1461. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1462.  
  1463. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1464.  
  1465. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1466.  
  1467. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1468.  
  1469. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1470.  
  1471. [WARNING] [UltimateStacker] Task #7229 for UltimateStacker v1.11.10 generated an exception
  1472.  
  1473. java.lang.NullPointerException: null
  1474.  
  1475. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1476.  
  1477. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1478.  
  1479. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1480.  
  1481. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1482.  
  1483. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1484.  
  1485. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1486.  
  1487. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1488.  
  1489. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1490.  
  1491. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1492.  
  1493. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1494.  
  1495. [WARNING] [UltimateStacker] Task #7231 for UltimateStacker v1.11.10 generated an exception
  1496.  
  1497. java.lang.NullPointerException: null
  1498.  
  1499. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1500.  
  1501. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1502.  
  1503. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1504.  
  1505. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1506.  
  1507. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1508.  
  1509. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1510.  
  1511. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1512.  
  1513. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1514.  
  1515. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1516.  
  1517. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1518.  
  1519. [WARNING] [UltimateStacker] Task #7233 for UltimateStacker v1.11.10 generated an exception
  1520.  
  1521. java.lang.NullPointerException: null
  1522.  
  1523. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1524.  
  1525. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1526.  
  1527. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1528.  
  1529. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1530.  
  1531. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1532.  
  1533. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1534.  
  1535. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1536.  
  1537. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1538.  
  1539. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1540.  
  1541. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1542.  
  1543. [WARNING] [UltimateStacker] Task #7235 for UltimateStacker v1.11.10 generated an exception
  1544.  
  1545. java.lang.NullPointerException: null
  1546.  
  1547. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1548.  
  1549. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1550.  
  1551. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1552.  
  1553. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1554.  
  1555. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1556.  
  1557. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1558.  
  1559. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1560.  
  1561. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1562.  
  1563. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1564.  
  1565. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1566.  
  1567. [WARNING] [UltimateStacker] Task #7237 for UltimateStacker v1.11.10 generated an exception
  1568.  
  1569. java.lang.NullPointerException: null
  1570.  
  1571. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1572.  
  1573. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1574.  
  1575. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1576.  
  1577. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1578.  
  1579. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1580.  
  1581. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1582.  
  1583. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1584.  
  1585. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1586.  
  1587. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1588.  
  1589. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1590.  
  1591. [WARNING] [UltimateStacker] Task #7239 for UltimateStacker v1.11.10 generated an exception
  1592.  
  1593. java.lang.NullPointerException: null
  1594.  
  1595. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1596.  
  1597. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1598.  
  1599. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1600.  
  1601. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1602.  
  1603. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1604.  
  1605. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1606.  
  1607. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1608.  
  1609. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1610.  
  1611. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1612.  
  1613. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1614.  
  1615. [WARNING] [UltimateStacker] Task #7241 for UltimateStacker v1.11.10 generated an exception
  1616.  
  1617. java.lang.NullPointerException: null
  1618.  
  1619. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1620.  
  1621. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1622.  
  1623. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1624.  
  1625. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1626.  
  1627. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1628.  
  1629. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1630.  
  1631. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1632.  
  1633. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1634.  
  1635. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1636.  
  1637. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
  1638.  
  1639. [WARNING] [UltimateStacker] Task #7243 for UltimateStacker v1.11.10 generated an exception
  1640.  
  1641. java.lang.NullPointerException: null
  1642.  
  1643. at com.songoda.ultimatestacker.utils.Reflection.updateSpawner(Reflection.java:33) ~[?:?]
  1644.  
  1645. at com.songoda.ultimatestacker.spawner.SpawnerStack.lambda$setAmount$0(SpawnerStack.java:45) ~[?:?]
  1646.  
  1647. at com.songoda.ultimatestacker.spawner.SpawnerStack$$Lambda$953.000000002810ECC0.run(Unknown Source) ~[?:?]
  1648.  
  1649. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1650.  
  1651. at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1652.  
  1653. at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1654.  
  1655. at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1656.  
  1657. at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1658.  
  1659. at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-eb3d921-2b93d83]
  1660.  
  1661. at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]
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