2014-11-14 18:30:38 [SEVERE] java.util.ConcurrentModificationException
2014-11-14 18:30:38 [SEVERE] 	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:922)
2014-11-14 18:30:38 [SEVERE] 	at java.util.HashMap$ValueIterator.next(HashMap.java:950)
2014-11-14 18:30:38 [SEVERE] 	at bq.a(NBTTagCompound.java:40)
2014-11-14 18:30:38 [SEVERE] 	at cd.a(NBTBase.java:112)
2014-11-14 18:30:38 [SEVERE] 	at ca.a(CompressedStreamTools.java:140)
2014-11-14 18:30:38 [SEVERE] 	at aam.a(AnvilChunkLoader.java:274)
2014-11-14 18:30:38 [SEVERE] 	at aam.c(AnvilChunkLoader.java:260)
2014-11-14 18:30:38 [SEVERE] 	at aiw.b(ThreadedFileIOBase.java:39)
2014-11-14 18:30:38 [SEVERE] 	at aiw.run(ThreadedFileIOBase.java:27)
2014-11-14 18:30:38 [SEVERE] 	at java.lang.Thread.run(Thread.java:745)
2014-11-14 18:30:40 [INFO] BLACKbot15 issued server command: /tpaccept
2014-11-14 18:30:42 [INFO] [Member]  TheSnipe20: au?
2014-11-14 18:30:42 [SEVERE] t: Exception ticking world entities
2014-11-14 18:30:42 [SEVERE] 	at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:962)
2014-11-14 18:30:42 [SEVERE] 	at ho.r(DedicatedServer.java:309)
2014-11-14 18:30:42 [SEVERE] 	at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:857)
2014-11-14 18:30:42 [SEVERE] 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:744)
2014-11-14 18:30:42 [SEVERE] 	at fy.run(ThreadMinecraftServer.java:16)
2014-11-14 18:30:42 [SEVERE] Caused by: java.lang.NullPointerException
2014-11-14 18:30:42 [SEVERE] 	at thermalexpansion.transport.GridEnergy.removeConduit(GridEnergy.java:67)
2014-11-14 18:30:42 [SEVERE] 	at thermalexpansion.transport.tileentity.TileConduitEnergy.breakBlock(TileConduitEnergy.java:152)
2014-11-14 18:30:42 [SEVERE] 	at thermalexpansion.transport.tileentity.TileConduitRoot.w_(TileConduitRoot.java:46)
2014-11-14 18:30:42 [SEVERE] 	at zz.a(Chunk.java:1075)
2014-11-14 18:30:42 [SEVERE] 	at yc.h(World.java:2668)
2014-11-14 18:30:42 [SEVERE] 	at in.h(WorldServer.java:701)
2014-11-14 18:30:42 [SEVERE] 	at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:956)
2014-11-14 18:30:42 [SEVERE] 	... 4 more
2014-11-14 18:30:42 [SEVERE] Encountered an unexpected exception t
t: Exception ticking world entities
	at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:962)
	at ho.r(DedicatedServer.java:309)
	at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:857)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:744)
	at fy.run(ThreadMinecraftServer.java:16)
Caused by: java.lang.NullPointerException
	at thermalexpansion.transport.GridEnergy.removeConduit(GridEnergy.java:67)
	at thermalexpansion.transport.tileentity.TileConduitEnergy.breakBlock(TileConduitEnergy.java:152)
	at thermalexpansion.transport.tileentity.TileConduitRoot.w_(TileConduitRoot.java:46)
	at zz.a(Chunk.java:1075)
	at yc.h(World.java:2668)
	at in.h(WorldServer.java:701)
	at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:956)
	... 4 more