[20:15:03] [Server thread/ERROR]: Could not load 'plugins/output.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.VerifyError: Expecting a stackmap frame at branch target 390
Exception Details:
  Location:
    org/skywars/api/Start.onDisable()V @5: aload_0
  Reason:
    Expected stackmap frame at this location.
  Bytecode:
    0x0000000: 2a04 b500 c82a b601 88b6 0261 1302 62b6
    0x0000010: 0266 4c2b 04b6 026c 2b2a 04b8 0272 b602
    0x0000020: 762a b600 cfb9 027a 0100 2ab9 0280 0200
    0x0000030: b801 c0b6 01c4 b602 832a b402 35c6 0020
    0x0000040: 2ab4 0235 b402 87b6 028c 2ab4 0235 b402
    0x0000050: 8fb9 0294 0100 2ab4 0235 b602 97a7 0004
    0x0000060: 4db8 01c0 b602 46b6 024a b902 4e01 009e
    0x0000070: 000f b801 c0b6 0246 b602 9ab6 029e 2ab6
    0x0000080: 02a2 c600 5b2a b602 a2b6 02a7 b902 a801
    0x0000090: 004d 2cb9 01b6 0100 9900 452c b901 ba01
    0x00000a0: 00c0 01bc 4eb8 012d b602 acb6 02af b902
    0x00000b0: a801 003a 0419 04b9 01b6 0100 9900 1e19
    0x00000c0: 04b9 01ba 0100 c002 b13a 05b8 012d b602
    0x00000d0: ac2d 1905 b602 b4a7 ffde a7ff b82a 57b2
    0x00000e0: 02b6 b602 b74d 2cb9 01b6 0100 9900 522c
    0x00000f0: b901 ba01 00c0 02b9 4e2d b602 bcb9 02a8
    0x0000100: 0100 3a04 1904 b901 b601 0099 0026 1904
    0x0000110: b901 ba01 00c0 01bc 3a05 2d19 0513 02be
    0x0000120: 03b8 0272 b602 c119 04b9 02c4 0100 a7ff
    0x0000130: d62d b602 c72c b902 c401 00a7 ffab 2ab6
    0x0000140: 02a2 c600 382a b602 a2b6 02a7 b902 a801
    0x0000150: 004d 2cb9 01b6 0100 9900 222c b901 ba01
    0x0000160: 00c0 01bc 4e2a b602 a22d 03b8 0272 b602
    0x0000170: ca2c b902 c401 00a7 ffdb 2b2a 03b8 0272
    0x0000180: b602 76a7 0008 4c2b b602 cdb1
  Exception Handler Table:
    bci [57, 93] => handler: 96
    bci [5, 387] => handler: 390

	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:133) ~[server.jar:git-PaperSpigot-"4c7641d"]
	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:331) ~[server.jar:git-PaperSpigot-"4c7641d"]
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:254) [server.jar:git-PaperSpigot-"4c7641d"]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugins(CraftServer.java:293) [server.jar:git-PaperSpigot-"4c7641d"]
	at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:202) [server.jar:git-PaperSpigot-"4c7641d"]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:563) [server.jar:git-PaperSpigot-"4c7641d"]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181]
Caused by: java.lang.VerifyError: Expecting a stackmap frame at branch target 390
Exception Details:
  Location:
    org/skywars/api/Start.onDisable()V @5: aload_0
  Reason:
    Expected stackmap frame at this location.
  Bytecode:
    0x0000000: 2a04 b500 c82a b601 88b6 0261 1302 62b6
    0x0000010: 0266 4c2b 04b6 026c 2b2a 04b8 0272 b602
    0x0000020: 762a b600 cfb9 027a 0100 2ab9 0280 0200
    0x0000030: b801 c0b6 01c4 b602 832a b402 35c6 0020
    0x0000040: 2ab4 0235 b402 87b6 028c 2ab4 0235 b402
    0x0000050: 8fb9 0294 0100 2ab4 0235 b602 97a7 0004
    0x0000060: 4db8 01c0 b602 46b6 024a b902 4e01 009e
    0x0000070: 000f b801 c0b6 0246 b602 9ab6 029e 2ab6
    0x0000080: 02a2 c600 5b2a b602 a2b6 02a7 b902 a801
    0x0000090: 004d 2cb9 01b6 0100 9900 452c b901 ba01
    0x00000a0: 00c0 01bc 4eb8 012d b602 acb6 02af b902
    0x00000b0: a801 003a 0419 04b9 01b6 0100 9900 1e19
    0x00000c0: 04b9 01ba 0100 c002 b13a 05b8 012d b602
    0x00000d0: ac2d 1905 b602 b4a7 ffde a7ff b82a 57b2
    0x00000e0: 02b6 b602 b74d 2cb9 01b6 0100 9900 522c
    0x00000f0: b901 ba01 00c0 02b9 4e2d b602 bcb9 02a8
    0x0000100: 0100 3a04 1904 b901 b601 0099 0026 1904
    0x0000110: b901 ba01 00c0 01bc 3a05 2d19 0513 02be
    0x0000120: 03b8 0272 b602 c119 04b9 02c4 0100 a7ff
    0x0000130: d62d b602 c72c b902 c401 00a7 ffab 2ab6
    0x0000140: 02a2 c600 382a b602 a2b6 02a7 b902 a801
    0x0000150: 004d 2cb9 01b6 0100 9900 222c b901 ba01
    0x0000160: 00c0 01bc 4e2a b602 a22d 03b8 0272 b602
    0x0000170: ca2c b902 c401 00a7 ffdb 2b2a 03b8 0272
    0x0000180: b602 76a7 0008 4c2b b602 cdb1
  Exception Handler Table:
    bci [57, 93] => handler: 96
    bci [5, 387] => handler: 390

	at java.lang.Class.forName0(Native Method) ~[?:1.8.0_181]
	at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_181]
	at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:65) ~[server.jar:git-PaperSpigot-"4c7641d"]
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:129) ~[server.jar:git-PaperSpigot-"4c7641d"]
	... 6 more