2014-08-12 15:58:59 [SEVERE] java.util.ConcurrentModificationException
2014-08-12 15:58:59 [SEVERE] at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
2014-08-12 15:58:59 [SEVERE] at java.util.ArrayList$Itr.next(Unknown Source)
2014-08-12 15:58:59 [SEVERE] at net.minecraft.server.World.getTileEntity(World.java:1644)
2014-08-12 15:58:59 [SEVERE] at net.minecraft.server.WorldServer.getTileEntity(WorldServer.java:45)
2014-08-12 15:58:59 [SEVERE] at eloraam.core.TubeLib.isConSide(TubeLib.java:303)
2014-08-12 15:58:59 [SEVERE] at eloraam.core.TubeLib.getConnections(TubeLib.java:365)
2014-08-12 15:58:59 [SEVERE] at eloraam.core.TubeFlow$TubeScheduleContext.<init>(TubeFlow.java:23)
2014-08-12 15:58:59 [SEVERE] at eloraam.core.TubeFlow.update(TubeFlow.java:52)
2014-08-12 15:58:59 [SEVERE] at eloraam.machine.TileTube.q_(TileTube.java:227)
2014-08-12 15:58:59 [SEVERE] at net.minecraft.server.World.tickEntities(World.java:1190)
2014-08-12 15:58:59 [SEVERE] at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:569)
2014-08-12 15:58:59 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:467)
2014-08-12 15:58:59 [SEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
2014-08-12 15:58:59 [SEVERE] Unexpected exception
java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
at java.util.ArrayList$Itr.next(Unknown Source)
at net.minecraft.server.World.getTileEntity(World.java:1644)
at net.minecraft.server.WorldServer.getTileEntity(WorldServer.java:45)
at eloraam.core.TubeLib.isConSide(TubeLib.java:303)
at eloraam.core.TubeLib.getConnections(TubeLib.java:365)
at eloraam.core.TubeFlow$TubeScheduleContext.<init>(TubeFlow.java:23)
at eloraam.core.TubeFlow.update(TubeFlow.java:52)
at eloraam.machine.TileTube.q_(TileTube.java:227)
at net.minecraft.server.World.tickEntities(World.java:1190)
at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:569)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:467)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
Please help. :/