2014-07-20 11:04:05 [WARNING] Unexpected error in Lua callback.
java.lang.NullPointerException
        at stargatetech2.automation.bus.BusInterface.sendPacket(BusInterface.java:69)
        at stargatetech2.automation.bus.BusInterface.sendAllPackets(BusInterface.java:57)
        at stargatetech2.transport.tileentity.TileStargate.setWormhole(TileStargate.java:187)
        at stargatetech2.transport.stargates.Wormhole.<init>(Wormhole.java:36)
        at stargatetech2.transport.stargates.StargateNetwork.dial(StargateNetwork.java:142)
        at stargatetech2.transport.tileentity.TileStargate.dial(TileStargate.java:147)
        at stargatetech2.transport.bus.StargateBusDriver.handlePacket(StargateBusDriver.java:47)
        at stargatetech2.automation.bus.BusInterface.recvPacket(BusInterface.java:101)
        at stargatetech2.automation.bus.BusInterface.sendPacket(BusInterface.java:71)
        at stargatetech2.automation.bus.BusInterface.sendAllPackets(BusInterface.java:57)
        at li.cil.oc.server.component.AbstractBusCard.send(AbstractBusCard.scala:97)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at li.cil.oc.server.network.Callbacks$ComponentCallback.apply(Callbacks.scala:95)
        at li.cil.oc.server.network.Component$class.invoke(Component.scala:107)
        at li.cil.oc.server.network.Network$ComponentConnectorBuilder$$anon$1.invoke(Network.scala:542)
        at li.cil.oc.server.component.machine.Machine.invoke(Machine.scala:236)
        at li.cil.oc.server.component.machine.luac.ComponentAPI$$anonfun$initialize$4$$anonfun$apply$4.apply(ComponentAPI.scala:64)
        at li.cil.oc.server.component.machine.luac.ComponentAPI$$anonfun$initialize$4$$anonfun$apply$4.apply(ComponentAPI.scala:64)
        at li.cil.oc.server.component.machine.NativeLuaArchitecture.invoke(NativeLuaArchitecture.scala:39)
        at li.cil.oc.server.component.machine.luac.ComponentAPI$$anonfun$initialize$4.apply(ComponentAPI.scala:64)
        at li.cil.oc.server.component.machine.luac.ComponentAPI$$anonfun$initialize$4.apply(ComponentAPI.scala:60)
        at li.cil.oc.util.ExtendedLuaState$ExtendedLuaState$$anon$1.invoke(ExtendedLuaState.scala:21)
        at com.naef.jnlua.LuaState.lua_pcall(Native Method)
        at com.naef.jnlua.LuaState.call(LuaState.java:669)
        at li.cil.oc.server.component.machine.NativeLuaArchitecture.runSynchronized(NativeLuaArchitecture.scala:154)
        at li.cil.oc.server.component.machine.Machine.liftedTree1$1(Machine.scala:422)
        at li.cil.oc.server.component.machine.Machine.update(Machine.scala:421)
        at li.cil.oc.common.tileentity.traits.Computer$class.updateEntity(Computer.scala:108)
        at li.cil.oc.common.tileentity.Case.func_70316_g(Case.scala:62)
        at net.minecraft.world.World.func_72939_s(World.java:2730)
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:890)
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:331)
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:784)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:666)
        at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:583)