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Updating screen events
java.lang.NullPointerException: Updating screen events	at net.minecraft.item.crafting.ShapelessRecipes.func_77569_a(SourceFile:36)	at net.minecraft.item.crafting.CraftingManager.func_82787_a(CraftingManager.java:323)	at net.minecraft.inventory.ContainerWorkbench.func_75130_a(SourceFile:53)	at net.minecraft.inventory.InventoryCrafting.func_70299_a(SourceFile:81)	at net.minecraft.inventory.Slot.func_75215_d(Slot.java:77)	at net.minecraft.inventory.Container.func_75144_a(SourceFile:157)	at net.minecraft.client.multiplayer.PlayerControllerMP.func_78753_a(PlayerControllerMP.java:419)	at codechicken.nei.guihook.GuiContainerManager.handleSlotClick(GuiContainerManager.java:504)	at net.minecraft.client.gui.inventory.GuiContainer.func_146984_a(GuiContainer.java:638)	at net.minecraft.client.gui.inventory.GuiContainer.public_func_146984_a(GuiContainer.java)	at codechicken.nei.guihook.DefaultSlotClickHandler.callHandleMouseClick(DefaultSlotClickHandler.java)	at codechicken.nei.guihook.DefaultSlotClickHandler.handleSlotClick(DefaultSlotClickHandler.java:17)	at codechicken.nei.guihook.GuiContainerManager.handleMouseClick(GuiContainerManager.java:453)	at net.minecraft.client.gui.inventory.GuiContainer.managerHandleMouseClick(GuiContainer.java)	at net.minecraft.client.gui.inventory.GuiContainer.func_146286_b(GuiContainer.java:590)	at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:306)	at net.minecraft.client.gui.inventory.GuiContainer.func_146274_d(GuiContainer.java)	at net.minecraft.client.gui.GuiScreen.func_146269_k(GuiScreen.java:268)	at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1640)	at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:973)	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:898)	at net.minecraft.client.main.Main.main(SourceFile:148)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:483)	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)