-- Head --
Thread: Client thread
Stacktrace:
at thedarkcolour.futuremc.container.ContainerGrindstone.handleCrafting(ContainerGrindstone.java:173)
at thedarkcolour.futuremc.container.ContainerGrindstone$1.onContentsChanged(ContainerGrindstone.java:39)
at net.minecraftforge.items.ItemStackHandler.setStackInSlot(ItemStackHandler.java:60)
at net.minecraftforge.items.SlotItemHandler.func_75215_d(SlotItemHandler.java:80)
at net.minecraft.inventory.Container.func_184996_a(Container.java:281)
at net.minecraft.client.multiplayer.PlayerControllerMP.func_187098_a(PlayerControllerMP.java:566)
at net.minecraft.client.gui.inventory.GuiContainer.func_184098_a(GuiContainer.java:638)
at net.minecraft.client.gui.inventory.GuiContainer.func_146286_b(GuiContainer.java:604)
at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:543)
at net.minecraft.client.gui.GuiScreen.func_146269_k(GuiScreen.java:501)

was trying to disenchant a sword, as soon as I put it in the grindstone interface, game crashes, happens on my server to my friends as well

What version of the mod are you using

Can you provide a log?

also thats not the full crash report