2014-10-07 00:46:14 [WARNING] [OpenComputers] Unexpected error in Lua callback.
java.util.ConcurrentModificationException
	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:859)
	at java.util.ArrayList$Itr.next(ArrayList.java:831)
	at net.minecraft.world.World.func_72805_g(World.java:928)
	at net.minecraft.tileentity.TileEntity.func_70296_d(TileEntity.java:197)
	at li.cil.oc.common.tileentity.traits.Environment$class.markChanged(Environment.scala:20)
	at li.cil.oc.common.tileentity.Screen.markChanged(Screen.scala:18)
	at li.cil.oc.common.component.TextBuffer$ServerProxy.onScreenSet(TextBuffer.scala:586)
	at li.cil.oc.common.component.TextBuffer.set(TextBuffer.scala:268)
	at li.cil.oc.server.component.GraphicsCard$$anonfun$set$1.apply(GraphicsCard.scala:223)
	at li.cil.oc.server.component.GraphicsCard$$anonfun$set$1.apply(GraphicsCard.scala:221)
	at li.cil.oc.server.component.GraphicsCard.screen(GraphicsCard.scala:27)
	at li.cil.oc.server.component.GraphicsCard.set(GraphicsCard.scala:221)
	at li.cil.oc.server.component.GraphicsCard$Tier3.set(GraphicsCard.scala:410)
	at sun.reflect.GeneratedMethodAccessor44.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at li.cil.oc.server.network.Callbacks$ComponentCallback.apply(Callbacks.scala:95)
	at li.cil.oc.server.network.Component$class.invoke(Component.scala:106)
	at li.cil.oc.server.network.Network$ComponentConnectorBuilder$$anon$1.invoke(Network.scala:549)
	at li.cil.oc.server.component.machine.Machine.invoke(Machine.scala:237)
	at li.cil.oc.server.component.machine.luac.ComponentAPI$$anonfun$initialize$4$$anonfun$apply$4.apply(ComponentAPI.scala:64)
	at li.cil.oc.server.component.machine.luac.ComponentAPI$$anonfun$initialize$4$$anonfun$apply$4.apply(ComponentAPI.scala:64)
	at li.cil.oc.server.component.machine.NativeLuaArchitecture.invoke(NativeLuaArchitecture.scala:38)
	at li.cil.oc.server.component.machine.luac.ComponentAPI$$anonfun$initialize$4.apply(ComponentAPI.scala:64)
	at li.cil.oc.server.component.machine.luac.ComponentAPI$$anonfun$initialize$4.apply(ComponentAPI.scala:60)
	at li.cil.oc.util.ExtendedLuaState$ExtendedLuaState$$anon$1.invoke(ExtendedLuaState.scala:21)
	at com.naef.jnlua.LuaState.lua_resume(Native Method)
	at com.naef.jnlua.LuaState.resume(LuaState.java:1746)
	at li.cil.oc.server.component.machine.NativeLuaArchitecture.runThreaded(NativeLuaArchitecture.scala:206)
	at li.cil.oc.server.component.machine.Machine.run(Machine.scala:773)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:744)