Cant place IC2 items on bukkit server

[thebardcast]

Title: Cant place IC2 items on bukkit server

Version: 3.0.3/3.0.4

OS: windows home premium x 64

Java Version: JRE 1.7u4 (Win 64bit)

Description of Problem:

When i build a iron furnace it shows in my inventory the server knows it exists but when i go to place it down i get kicked from the server and when i rejoin its still in my inventory but also where i placed it

Error Messages:

Disconnected from the server Internal Server error

Error Log:

13.07 20:01:58 [server] INFO Connection reset

13.07 19:59:58 [server] INFO Connection reset

13.07 19:58:00 [server] INFO Connection reset

13.07 19:57:11 [server] INFO 	at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

13.07 19:57:11 [server] INFO 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:453)

13.07 19:57:11 [server] INFO 	at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:556)

13.07 19:57:11 [server] INFO 	at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78)

13.07 19:57:11 [server] INFO 	at org.getspout.spout.SpoutNetServerHandler.a(SpoutNetServerHandler.java:172)

13.07 19:57:11 [server] INFO 	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:121)

13.07 19:57:11 [server] INFO 	at net.minecraft.server.NetworkManager.b(NetworkManager.java:234)

13.07 19:57:11 [server] INFO 	at net.minecraft.server.Packet15Place.handle(SourceFile:39)

13.07 19:57:11 [server] INFO 	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:709)

13.07 19:57:11 [server] INFO 	at net.minecraft.server.ItemInWorldManager.interact(ItemInWorldManager.java:318)

13.07 19:57:11 [server] INFO 	at net.minecraft.server.ItemStack.placeItem(ItemStack.java:83)

13.07 19:57:11 [server] INFO 	at net.minecraft.server.ItemBlock.interactWith(ItemBlock.java:84)

13.07 19:57:11 [server] INFO 	at org.getspout.spout.block.mcblock.CustomContainer.postPlace(CustomContainer.java:438)

13.07 19:57:11 [server] INFO 	at ic2.common.BlockMultiID.postPlace(BlockMultiID.java:176)

13.07 19:57:11 [server] INFO java.lang.NullPointerException

13.07 19:57:11 [server] WARNING Failed to handle packet: java.lang.NullPointerException