--- Minecraft Crash Report ----
// Don't be sad. I'll do better next time, I promise!

Time: 6/6/13 7:44 PM
Description: Ticking memory connection

java.lang.ClassCastException: ic2.advancedmachines.common.TileEntityCentrifugeExtractor cannot be cast to buildcraft.transport.TileGenericPipe
	at buildcraft.transport.BlockGenericPipe.placePipe(BlockGenericPipe.java:875)
	at buildcraft.transport.ItemPipe.func_77648_a(ItemPipe.java:83)
	at net.minecraft.item.ItemStack.func_77943_a(ItemStack.java:149)
	at net.minecraft.item.ItemInWorldManager.func_73078_a(ItemInWorldManager.java:425)
	at net.minecraft.network.NetServerHandler.func_72472_a(NetServerHandler.java:553)
	at net.minecraft.network.packet.Packet15Place.func_73279_a(SourceFile:58)
	at net.minecraft.network.MemoryConnection.func_74428_b(MemoryConnection.java:89)
	at net.minecraft.network.NetServerHandler.func_72570_d(NetServerHandler.java:134)
	at net.minecraft.network.NetworkListenThread.func_71747_b(NetworkListenThread.java:53)
	at net.minecraft.server.integrated.IntegratedServerListenThread.func_71747_b(IntegratedServerListenThread.java:109)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:675)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:571)
	at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:127)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:469)
	at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)