x3ndless

Title: friends buildcraft pipe problem Version: 3.1.2 OS: windows Java Version: 7 Description of Problem: Im guessing its from whenever someone places a buildcraft pipe. Error Messages: one Error Log: [sEVERE] at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:819) 05:49:13 [sEVERE] at java.util.ArrayList$Itr.next(ArrayList.java:791) 05:49:13 [sEVERE] at net.minecraft.server.World.getTileEntity(World.java:1644) 05:49:13 [sEVERE] at net.minecraft.server.WorldServer.getTileEntity(WorldServer.java:45) 05:49:13 [sEVERE] at buildcraft.transport.BlockGenericPipe.isPipeConnected(BlockGenericPipe.java:310) 05:49:13 [sEVERE] at buildcraft.core.Utils.checkPipesConnections(Utils.java:348) 05:49:13 [sEVERE] at buildcraft.transport.PipeTransportPower.updateEntity(PipeTransportPower.java:58) 05:49:13 [sEVERE] at buildcraft.transport.Pipe.updateEntity(Pipe.java:106) 05:49:13 [sEVERE] at buildcraft.transport.TileGenericPipe.q_(TileGenericPipe.java:156) 05:49:13 [sEVERE] at net.minecraft.server.World.tickEntities(World.java:1190) 05:49:13 [sEVERE] at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:569) 05:49:13 [sEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:467) 05:49:13 [sEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:492) 05:49:13 [sEVERE] Unexpected exception java.util.ConcurrentModificationException at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:819) at java.util.ArrayList$Itr.next(ArrayList.java:791) at net.minecraft.server.World.getTileEntity(World.java:1644) at net.minecraft.server.WorldServer.getTileEntity(WorldServer.java:45) at buildcraft.transport.BlockGenericPipe.isPipeConnected(BlockGenericPipe.java:310) at buildcraft.core.Utils.checkPipesConnections(Utils.java:348) at buildcraft.transport.PipeTransportPower.updateEntity(PipeTransportPower.java:58) at buildcraft.transport.Pipe.updateEntity(Pipe.java:106) at buildcraft.transport.TileGenericPipe.q_(TileGenericPipe.java:156) 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)