Помогите Orebfuscator и BC3/IronChest - конфликт

MCMP 1.4.6
Orebfuscator 1.8.7
BC 3.3.0
Собственно сама проблема.
Когда ставлю блок то всё хорошо , но стоит убрать блок из мода то сервер пишет ошибку

Код:

[SEVERE] Could not pass event BlockBreakEvent to Orebfuscator v1.8.7
org.bukkit.event.EventException
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:341)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
    at net.minecraft.server.v1_4_6.PlayerInteractManager.breakBlock(PlayerInteractManager.java:291)
    at net.minecraft.server.v1_4_6.PlayerInteractManager.a(PlayerInteractManager.java:218)
    at net.minecraft.server.v1_4_6.PlayerConnection.a(PlayerConnection.java:584)
    at net.minecraft.server.v1_4_6.Packet14BlockDig.handle(SourceFile:46)
    at com.lishid.orebfuscator.internal.v1_4_6.Packet14Orebfuscator.handle(Packet14Orebfuscator.java:20)
    at net.minecraft.server.v1_4_6.NetworkManager.b(NetworkManager.java:291)
    at net.minecraft.server.v1_4_6.PlayerConnection.d(PlayerConnection.java:122)
    at net.minecraft.server.v1_4_6.ServerConnection.b(ServerConnection.java:54)
    at net.minecraft.server.v1_4_6.DedicatedServerConnection.b(SourceFile:30)
    at net.minecraft.server.v1_4_6.MinecraftServer.r(MinecraftServer.java:629)
    at net.minecraft.server.v1_4_6.DedicatedServer.r(DedicatedServer.java:228)
    at net.minecraft.server.v1_4_6.MinecraftServer.q(MinecraftServer.java:517)
    at net.minecraft.server.v1_4_6.MinecraftServer.run(MinecraftServer.java:447)
    at net.minecraft.server.v1_4_6.ThreadServerApplication.run(SourceFile:849)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 1516
    at com.lishid.orebfuscator.OrebfuscatorConfig.isBlockTransparent(OrebfuscatorConfig.java:285)
    at com.lishid.orebfuscator.obfuscation.BlockUpdate.needsUpdate(BlockUpdate.java:33)
    at com.lishid.orebfuscator.obfuscation.BlockUpdate.Update(BlockUpdate.java:38)
    at com.lishid.orebfuscator.listeners.OrebfuscatorBlockListener.onBlockBreak(OrebfuscatorBlockListener.java:41)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:339)

Вроде как не мешает работе сервера , но всё равно надо найти решение и справить ошибку.
Прошу помощи.