NPE

NPE

[18:56:44] [Client thread/ERROR] [FML/]: Exception caught during firing event cpw.mods.fml.common.gameevent.TickEvent$ClientTickEvent@114a79d9:
java.lang.NullPointerException
	at com.mrcrayfish.furniture.util.WailaIconRegister.getWailaStack(WailaIconRegister.java:68) ~[WailaIconRegister.class:?]
	at mcp.mobius.waila.overlay.RayTracing.getIdentifierItems(RayTracing.java:156) ~[RayTracing.class:?]
	at mcp.mobius.waila.overlay.RayTracing.getIdentifierStack(RayTracing.java:97) ~[RayTracing.class:?]
	at mcp.mobius.waila.overlay.RayTracing.getTargetStack(RayTracing.java:66) ~[RayTracing.class:?]
	at mcp.mobius.waila.overlay.WailaTickHandler.tickClient(WailaTickHandler.java:76) ~[WailaTickHandler.class:?]
	at cpw.mods.fml.common.eventhandler.ASMEventHandler_1328_WailaTickHandler_tickClient_ClientTickEvent.invoke(.dynamic) ~[?:?]
	at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54) ~[ASMEventHandler.class:?]
	at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:140) [EventBus.class:?]
	at cpw.mods.fml.common.FMLCommonHandler.onPreClientTick(FMLCommonHandler.java:325) [FMLCommonHandler.class:?]
	at net.minecraft.client.Minecraft.func_71407_l(Unknown Source) [bao.class:?]
	at net.minecraft.client.Minecraft.func_71411_J(Unknown Source) [bao.class:?]
	at net.minecraft.client.Minecraft.func_99999_d(Unknown Source) [bao.class:?]
	at net.minecraft.client.main.Main.main(SourceFile:148) [Main.class:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_91]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_91]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_91]
	at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_91]
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]