Server crashing when player logs in! - Buildcraft pipes I think?

[whopunk123]

Title: Server crashing when player logs in! - Buildcraft pipes I think?

Version: 3.1.3

OS: Windows 7 64bit Service pack 1

Java Version: Java 7 update 3 (64 BIT)

Description of Problem:

When ever a player join my server no chucks load around them and no commands work and about a minute after login they get kicked off for connection lost. I am not sure how this error happened.

Error Messages:

Error Log:

INFO at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

02.03 04:50:05 [server] INFO at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:467)

02.03 04:50:05 [server] INFO at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:569)

02.03 04:50:05 [server] INFO at net.minecraft.server.World.tickEntities(World.java:1190)

02.03 04:50:05 [server] INFO at buildcraft.transport.TileGenericPipe.q_(TileGenericPipe.java:156)

02.03 04:50:05 [server] INFO at buildcraft.transport.Pipe.updateEntity(Pipe.java:106)

02.03 04:50:05 [server] INFO at buildcraft.transport.PipeTransportItems.updateEntity(PipeTransportItems.java:157)

02.03 04:50:05 [server] INFO at buildcraft.transport.PipeTransportItems.moveSolids(PipeTransportItems.java:285)

02.03 04:50:05 [server] INFO at buildcraft.transport.PipeTransportItems.resolveDestination(PipeTransportItems.java:381)

02.03 04:50:05 [server] INFO at buildcraft.transport.PipeTransportItems.getPossibleMovements(PipeTransportItems.java:126)

02.03 04:50:05 [server] INFO at buildcraft.additionalpipes.pipes.PipeItemsDistributor.filterPossibleMovements(PipeItemsDistributor.java:110)

02.03 04:50:05 [server] INFO at buildcraft.additionalpipes.logic.PipeLogicDistributor.switchPosition(PipeLogicDistributor.java:54)

02.03 04:50:05 [server] INFO java.lang.NullPointerException

02.03 04:50:05 [server] SEVERE Unexpected exception

02.03 04:50:05 [server] SEVERE at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

02.03 04:50:05 [server] SEVERE at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:467)

02.03 04:50:05 [server] SEVERE at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:569)

02.03 04:50:05 [server] SEVERE at net.minecraft.server.World.tickEntities(World.java:1190)

02.03 04:50:05 [server] SEVERE at buildcraft.transport.TileGenericPipe.q_(TileGenericPipe.java:156)

02.03 04:50:05 [server] SEVERE at buildcraft.transport.Pipe.updateEntity(Pipe.java:106)

02.03 04:50:05 [server] SEVERE at buildcraft.transport.PipeTransportItems.updateEntity(PipeTransportItems.java:157)

02.03 04:50:05 [server] SEVERE at buildcraft.transport.PipeTransportItems.moveSolids(PipeTransportItems.java:285)

02.03 04:50:05 [server] SEVERE at buildcraft.transport.PipeTransportItems.resolveDestination(PipeTransportItems.java:381)

02.03 04:50:05 [server] SEVERE at buildcraft.transport.PipeTransportItems.getPossibleMovements(PipeTransportItems.java:126)

02.03 04:50:05 [server] SEVERE at buildcraft.additionalpipes.pipes.PipeItemsDistributor.filterPossibleMovements(PipeItemsDistributor.java:110)

02.03 04:50:05 [server] SEVERE at buildcraft.additionalpipes.logic.PipeLogicDistributor.switchPosition(PipeLogicDistributor.java:54)

02.03 04:50:05 [server] SEVERE java.lang.NullPointerException

02.03 04:50:05 [Multicraft] Skipped 27 lines due to rate limit (30/s)

02.03 04:50:03 [server] SEVERE Pipe failed to load from NBT at -199,70,93

02.03 04:50:03 [server] INFO Error creating pipe type 0 (class=null)

02.03 04:50:03 [server] SEVERE Pipe failed to load from NBT at -193,70,93

02.03 04:50:03 [server] INFO Error creating pipe type 0 (class=null)

02.03 04:50:03 [server] SEVERE Pipe failed to load from NBT at -201,68,103

02.03 04:50:03 [server] INFO Error creating pipe type 0 (class=null)

02.03 04:50:03 [server] SEVERE Pipe failed to load from NBT at -200,70,103

02.03 04:50:03 [server] INFO Error creating pipe type 0 (class=null)

02.03 04:50:03 [server] SEVERE Pipe failed to load from NBT at -204,68,103

02.03 04:50:03 [server] INFO Error creating pipe type 0 (class=null)

02.03 04:50:03 [server] SEVERE Pipe failed to load from NBT at -202,68,103

02.03 04:50:03 [server] INFO Error creating pipe type 0 (class=null)

02.03 04:50:02 [server] SEVERE Pipe failed to load from NBT at -189,70,93

02.03 04:50:02 [server] INFO Error creating pipe type 0 (class=null)

02.03 04:50:02 [server] SEVERE Pipe failed to load from NBT at -188,70,93

02.03 04:50:02 [server] INFO Error creating pipe type 0 (class=null)

02.03 04:50:02 [server] SEVERE Pipe failed to load from NBT at -190,70,93

02.03 04:50:02 [server] INFO Error creating pipe type 0 (class=null)

02.03 04:50:02 [server] SEVERE Pipe failed to load from NBT at -192,70,93

02.03 04:50:02 [server] INFO Error creating pipe type 0 (class=null)

02.03 04:50:02 [server] SEVERE Pipe failed to load from NBT at -191,70,93

02.03 04:50:02 [server] INFO Error creating pipe type 0 (class=null)

02.03 04:50:02 [server] SEVERE Pipe failed to load from NBT at -121,67,80

02.03 04:50:02 [server] INFO Error creating pipe type 0 (class=null)

02.03 04:50:02 [server] SEVERE Pipe failed to load from NBT at -121,68,80

02.03 04:50:02 [server] INFO Error creating pipe type 0 (class=null)

02.03 04:50:02 [server] SEVERE Pipe failed to load from NBT at -121,68,79

02.03 04:50:02 [server] INFO Error creating pipe type 0 (class=null)