Ah so that is what caused it. downloading the map because we're getting the following error so i need to break the manager.
java.lang.NullPointerException
at com.eloraam.redpower.machine.TileManager.handleTubeItem(TileManager.java:214)
at com.eloraam.redpower.machine.TileManager.drainBuffer(TileManager.java:383)
at com.eloraam.redpower.machine.TileManager.onTileTick(TileManager.java:410)
at com.eloraam.redpower.core.TileExtended.g(TileExtended.java:123)
at com.eloraam.redpower.machine.TileManager.g(TileManager.java:327)
at yc.h(World.java:2153)
at in.h(WorldServer.java:516)
at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:680)
at ho.r(DedicatedServer.java:269)
at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:599)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:497)
at fy.run(SourceFile:849)
Details:
Name: RPManager // com.eloraam.redpower.machine.TileManager
Block type: ID #0
Block data value: Unknown? (Got -1)
Block location: World: (3749,59,1811), Chunk: (at 5,3,3 in 234,113; contains blocks 3744,0,1808 to 3759,255,1823), Region: (7,3; contains chunks 224,96 to 255,127, blocks 3584,0,1536 to 4095,255,2047)
unfortunately this will probably have to wait until i get out of work.