Помогите Exception ticking world entities

Краш сервера. Чем может быть вызван?

---- Minecraft Crash Report ----
// On the bright side, I bought you a teddy bear!

Time: 8/15/15 6:17 PM
Description: Exception ticking world entities

java.lang.IndexOutOfBoundsException: Index: 92, Size: 91
at java.util.ArrayList.rangeCheck(Unknown Source)
at java.util.ArrayList.remove(Unknown Source)
at net.minecraft.server.v1_5_R3.World.tickEntities(World.java:1323)
at net.minecraft.server.v1_5_R3.WorldServer.tickEntities(WorldServer.java:522)
at net.minecraft.server.v1_5_R3.MinecraftServer.r(MinecraftServer.java:562)
at net.minecraft.server.v1_5_R3.DedicatedServer.r(DedicatedServer.java:227)
at net.minecraft.server.v1_5_R3.MinecraftServer.q(MinecraftServer.java:472)
at net.minecraft.server.v1_5_R3.MinecraftServer.run(MinecraftServer.java:404)
at net.minecraft.server.v1_5_R3.ThreadServerApplication.run(SourceFile:573)

 

ап

 

овер9000 ентитей в чанке.

 

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