[23:45:19] [Server thread/WARN]: [Movecraft] Task #116 for Movecraft v5.0.0 generated an exception java.lang.NoClassDefFoundError: net/minecraft/server/v1_9_R1/Packet at net.countercraft.movecraft.async.AsyncManager.run(AsyncManager.java:1525) ~[?:?] at org.bukkit.craftbukkit.v1_10_R1.scheduler.CraftTask.run(CraftTask.java:71) ~[minecraft_server.jar:git-Spigot-1e4dd71-5e5cf84] at org.bukkit.craftbukkit.v1_10_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [minecraft_server.jar:git-Spigot-1e4dd71-5e5cf84] at net.minecraft.server.v1_10_R1.MinecraftServer.D(MinecraftServer.java:723) [minecraft_server.jar:git-Spigot-1e4dd71-5e5cf84] at net.minecraft.server.v1_10_R1.DedicatedServer.D(DedicatedServer.java:400) [minecraft_server.jar:git-Spigot-1e4dd71-5e5cf84] at net.minecraft.server.v1_10_R1.MinecraftServer.C(MinecraftServer.java:668) [minecraft_server.jar:git-Spigot-1e4dd71-5e5cf84] at net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.java:567) [minecraft_server.jar:git-Spigot-1e4dd71-5e5cf84] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_91] Caused by: java.lang.ClassNotFoundException: net.minecraft.server.v1_9_R1.Packet at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:91) ~[minecraft_server.jar:git-Spigot-1e4dd71-5e5cf84] at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86) ~[minecraft_server.jar:git-Spigot-1e4dd71-5e5cf84] at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_91] at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_91] ... 8 more