Thaumcraft3/EE3 Minium Stone Arcane Workbench Bug

---- Minecraft Crash Report ----
// Don't be sad, have a hug! <3

Time: 12/7/12 7:22 PM
Description: Updating screen events

java.lang.NullPointerException
	at qw.a(SourceFile:219)
	at thaumcraft.common.container.SlotCraftingArcaneWorkbench.a(SlotCraftingArcaneWorkbench.java:68)
	at thaumcraft.common.container.ContainerArcaneWorkbench.b(ContainerArcaneWorkbench.java:164)
	at rp.a(SourceFile:125)
	at thaumcraft.common.container.ContainerArcaneWorkbench.a(ContainerArcaneWorkbench.java:174)
	at rp.a(SourceFile:254)
	at rp.a(SourceFile:132)
	at thaumcraft.common.container.ContainerArcaneWorkbench.a(ContainerArcaneWorkbench.java:174)
	at rp.a(SourceFile:254)
	at rp.a(SourceFile:132)
	at thaumcraft.common.container.ContainerArcaneWorkbench.a(ContainerArcaneWorkbench.java:174)
	at rp.a(SourceFile:254)
	at rp.a(SourceFile:132)
	at thaumcraft.common.container.ContainerArcaneWorkbench.a(ContainerArcaneWorkbench.java:174)
	at rp.a(SourceFile:254)
	at rp.a(SourceFile:132)
	at thaumcraft.common.container.ContainerArcaneWorkbench.a(ContainerArcaneWorkbench.java:174)
	at rp.a(SourceFile:254)
	at rp.a(SourceFile:132)
	at thaumcraft.common.container.ContainerArcaneWorkbench.a(ContainerArcaneWorkbench.java:174)
	at rp.a(SourceFile:254)
	at rp.a(SourceFile:132)
	at thaumcraft.common.container.ContainerArcaneWorkbench.a(ContainerArcaneWorkbench.java:174)
	at rp.a(SourceFile:254)
	at rp.a(SourceFile:132)
	at thaumcraft.common.container.ContainerArcaneWorkbench.a(ContainerArcaneWorkbench.java:174)
	at rp.a(SourceFile:254)
	at rp.a(SourceFile:132)
	at thaumcraft.common.container.ContainerArcaneWorkbench.a(ContainerArcaneWorkbench.java:174)
	at rp.a(SourceFile:254)
	at rp.a(SourceFile:132)
	at thaumcraft.common.container.ContainerArcaneWorkbench.a(ContainerArcaneWorkbench.java:174)
	at rp.a(SourceFile:254)
	at rp.a(SourceFile:132)
	at thaumcraft.common.container.ContainerArcaneWorkbench.a(ContainerArcaneWorkbench.java:174)
	at rp.a(SourceFile:254)
	at rp.a(SourceFile:132)
	at thaumcraft.common.container.ContainerArcaneWorkbench.a(ContainerArcaneWorkbench.java:174)
	at rp.a(SourceFile:254)
	at rp.a(SourceFile:132)
	at thaumcraft.common.container.ContainerArcaneWorkbench.a(ContainerArcaneWorkbench.java:174)
	at rp.a(SourceFile:254)
	at rp.a(SourceFile:132)
	at thaumcraft.common.container.ContainerArcaneWorkbench.a(ContainerArcaneWorkbench.java:174)
	at rp.a(SourceFile:254)
	at rp.a(SourceFile:132)
	at thaumcraft.common.container.ContainerArcaneWorkbench.a(ContainerArcaneWorkbench.java:174)
	at rp.a(SourceFile:254)
	at rp.a(SourceFile:132)
	at thaumcraft.common.container.ContainerArcaneWorkbench.a(ContainerArcaneWorkbench.java:174)
	at ayg.a(PlayerControllerMP.java:438)
	at auy.a(auy.java:396)
	at TMIController.onMouseEvent(TMIController.java:266)
	at auy.a(auy.java:311)
	at aue.d(GuiScreen.java:198)
	at auy.d(auy.java:36)
	at aue.m(GuiScreen.java:177)
	at net.minecraft.client.Minecraft.l(Minecraft.java:1515)
	at net.minecraft.client.Minecraft.J(Minecraft.java:858)
	at net.minecraft.client.Minecraft.run(Minecraft.java:783)
	at java.lang.Thread.run(Unknown Source)