[3.0.3/3.0.4] Railcraft Error

[minnymin3]

Title: Railcraft Error

Version: 3.0.3/3.0.4

OS: IOS Lion

Java Version: 7

Description of Problem:

I am having a problem when every time i try to spawn in or craft a railcraft item with tekkit i get an error and i get kicked from the game. The server still runs afterwards. I seem to not be having this problem on SSP.

Error Messages:

when im kicked for attempting to craft the item it says: lost connection: disconnect.genericReason

Error Log:

(spawning in)

 

17:20:27 [WARNING] Failed to handle packet: java.lang.NullPointerException

java.lang.NullPointerException

at net.minecraft.server.ItemStack.setData(ItemStack.java:153)

at net.minecraft.server.ItemStack.<init>(ItemStack.java:39)

at codechicken.core.PacketCustom.readItemStack(PacketCustom.java:409)

at codechicken.nei.NEIServerPacketHandler.handleGiveItem(NEIServerPacketHandler.java:111)

at codechicken.nei.NEIServerPacketHandler.handlePacket(NEIServerPacketHandler.java:21)

at codechicken.core.CoreUtils.handlePacket(CoreUtils.java:150)

at codechicken.core.PacketCustom.recieve(PacketCustom.java:451)

at net.minecraft.server.mod_CodeChickenCore.onPacket250Received(mod_CodeChickenCore.java:65)

at net.minecraft.server.BaseMod.onPacket250Packet(BaseMod.java:74)

at cpw.mods.fml.server.FMLBukkitHandler.handlePacket250(FMLBukkitHandler.java:381)

at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:1444)

at net.minecraft.server.Packet250CustomPayload.handle(SourceFile:46)

at net.minecraft.server.NetworkManager.b(NetworkManager.java:234)

at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:121)

at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78)

at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:556)

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:453)

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

 

(crafting)

 

17:28:38 [iNFO] Sending serverside check to: minnymin3

17:28:58 [sEVERE] java.lang.NullPointerException

17:28:58 [sEVERE] at net.minecraft.server.ItemStack.setData(ItemStack.java:153)

17:28:58 [sEVERE] at net.minecraft.server.ItemStack.<init>(ItemStack.java:39)

17:28:58 [sEVERE] at net.minecraft.server.Packet.b(Packet.java:160)

17:28:58 [sEVERE] at net.minecraft.server.Packet102WindowClick.a(SourceFile:38)

17:28:58 [sEVERE] at net.minecraft.server.Packet.a(Packet.java:83)

17:28:58 [sEVERE] at net.minecraft.server.NetworkManager.h(NetworkManager.java:152)

17:28:58 [sEVERE] at net.minecraft.server.NetworkManager.c(NetworkManager.java:273)

17:28:58 [sEVERE] at net.minecraft.server.NetworkReaderThread.run(SourceFile:76)