Minecraft version 1.7.10 Buildcraft 6.1.4 kicked from the server when the installation of all robots in the single player is no problem, the core of vanilla

we're gona need a crashlog, and could you tell us what robot you tried to place down?

kicked from server to cause Internal server error

[01:14:03] [Server thread/WARN]: Failed to handle packet for /93.185.22.192:23308
java.lang.NullPointerException
at buildcraft.transport.BlockGenericPipe.func_149727_a(BlockGenericPipe.java:787) ~[BlockGenericPipe.class:?]
at net.minecraft.server.management.ItemInWorldManager.func_73078_a(ItemInWorldManager.java:376) ~[mx.class:?]
at net.minecraft.network.NetHandlerPlayServer.func_147346_a(NetHandlerPlayServer.java:556) ~[nh.class:?]
at net.minecraft.network.play.client.C08PacketPlayerBlockPlacement.func_148833_a(SourceFile:60) ~[jo.class:?]
at net.minecraft.network.play.client.C08PacketPlayerBlockPlacement.func_148833_a(SourceFile:9) ~[jo.class:?]
at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212) ~[ej.class:?]
at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:165) [nc.class:?]
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:659) [MinecraftServer.class:?]
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:334) [lt.class:?]
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547) [MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427) [MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685) [li.class:?]

On the ground set does not work, only the platform which puts on the tube , the problem is only in multiplayer

@hekut146 - are there any errors before that one?

only one error, tried we establish a platform on all sides by a total of one - kick, and could you add unpretentious energy storage mj I just think thermal expansion mod very cheat mod