2012-12-30 09:59:57 [WARNING] Failed to handle packet for PLAYERUSERNAME/127.0.0.1: java.lang.NullPointerException
java.lang.NullPointerException
	at net.minecraft.server.v1_4_6.SlotResult.b(SourceFile:41)
	at net.minecraft.server.v1_4_6.SlotResult.a(SourceFile:58)
	at net.minecraft.server.v1_4_6.Container.clickItem(Container.java:187)
	at net.minecraft.server.v1_4_6.PlayerConnection.a(PlayerConnection.java:1215)
	at net.minecraft.server.v1_4_6.Packet102WindowClick.handle(SourceFile:31)
	at net.minecraft.server.v1_4_6.NetworkManager.b(NetworkManager.java:290)
	at net.minecraft.server.v1_4_6.PlayerConnection.d(PlayerConnection.java:112)
	at net.minecraft.server.v1_4_6.ServerConnection.b(SourceFile:39)
	at net.minecraft.server.v1_4_6.DedicatedServerConnection.b(SourceFile:30)
	at net.minecraft.server.v1_4_6.MinecraftServer.r(MinecraftServer.java:598)
	at net.minecraft.server.v1_4_6.DedicatedServer.r(DedicatedServer.java:224)
	at net.minecraft.server.v1_4_6.MinecraftServer.q(MinecraftServer.java:494)
	at net.minecraft.server.v1_4_6.MinecraftServer.run(MinecraftServer.java:427)
	at net.minecraft.server.v1_4_6.ThreadServerApplication.run(SourceFile:849)