This has occurred to me a couple times while removing items from an enchantment table (unenchanted). Does anyone know what causes this, or if it will be fixed? 20:02:25 [WARNING] Failed to handle packet: java.lang.NullPointerException java.lang.NullPointerException at net.minecraft.server.ContainerEnchantTable.a(ContainerEnchantTable.java:147) at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:1008) at net.minecraft.server.Packet108ButtonClick.handle(SourceFile:18) at net.minecraft.server.NetworkManager.b(NetworkManager.java:226) at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:100) at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78) at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:537) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:435) at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)