[00:04:37] [Server thread/FATAL]: Error executing task
java.util.concurrent.ExecutionException: java.lang.ArrayIndexOutOfBoundsException
	at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_66]
	at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_66]
	at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:45) [spigot-1.8.8.jar:git-Spigot-db6de12-3f3c65f]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:715) [spigot-1.8.8.jar:git-Spigot-db6de12-3f3c65f]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [spigot-1.8.8.jar:git-Spigot-db6de12-3f3c65f]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [spigot-1.8.8.jar:git-Spigot-db6de12-3f3c65f]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [spigot-1.8.8.jar:git-Spigot-db6de12-3f3c65f]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_66]
Caused by: java.lang.ArrayIndexOutOfBoundsException