Description: Exception ticking world

java.lang.ArrayIndexOutOfBoundsException: 8
	at bxw.a(SourceFile:56)
	at bya.a(SourceFile:144)
	at bya.a(SourceFile:140)
	at bxu.a(SourceFile:38)
	at vk.a(SourceFile:464)
	at vi.a(SourceFile:405)
	at it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap$1.forEach(Long2ObjectLinkedOpenHashMap.java:1661)
	at com.google.common.collect.Iterables$UnmodifiableIterable.forEach(Iterables.java:105)
	at vi.o(SourceFile:366)
	at vi.a(SourceFile:335)
	at vk.a(SourceFile:316)
	at net.minecraft.server.MinecraftServer.b(SourceFile:835)
	at net.minecraft.server.MinecraftServer.a(SourceFile:774)
	at eac.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:642)
	at java.lang.Thread.run(Thread.java:745)