The title says it.
The GUI doesn't work of any item from your mod.

[main/FATAL]: Error executing task java.util.concurrent.ExecutionException: java.lang.IllegalArgumentException: Invalid GUI data. at java.util.concurrent.FutureTask.report(Unknown Source) ~[?:1.8.0_131] at java.util.concurrent.FutureTask.get(Unknown Source) ~[?:1.8.0_131] at net.minecraft.util.Util.func_181617_a(SourceFile:47) [h.class:?] at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1086) [bhz.class:?] at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:397) [bhz.class:?] at net.minecraft.client.main.Main.main(SourceFile:123) [Main.class:?] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_131] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_131] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_131] at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_131] 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:?] Caused by: java.lang.IllegalArgumentException: Invalid GUI data. at org.cyclops.cyclopscore.client.gui.GuiHandler.getTemporaryData(GuiHandler.java:86) ~[GuiHandler.class:?] at org.cyclops.cyclopscore.client.gui.GuiHandler.getClientGuiElement(GuiHandler.java:110) ~[GuiHandler.class:?] at net.minecraftforge.fml.common.network.NetworkRegistry.getLocalGuiContainer(NetworkRegistry.java:277) ~[NetworkRegistry.class:?] at net.minecraftforge.fml.common.network.internal.FMLNetworkHandler.openGui(FMLNetworkHandler.java:110) ~[FMLNetworkHandler.class:?] at net.minecraft.entity.player.EntityPlayer.openGui(EntityPlayer.java:2544) ~[aeb.class:?] at net.minecraftforge.fml.common.network.internal.OpenGuiHandler.process(OpenGuiHandler.java:50) ~[OpenGuiHandler.class:?] at net.minecraftforge.fml.common.network.internal.OpenGuiHandler.lambda$channelRead0$0(OpenGuiHandler.java:43) ~[OpenGuiHandler.class:?] at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) ~[?:1.8.0_131] at java.util.concurrent.FutureTask.run(Unknown Source) ~[?:1.8.0_131] at net.minecraft.util.Util.func_181617_a(SourceFile:46) ~[h.class:?] ... 9 more

An edge-case I missed in the latest CC update it seems, fixed in CyclopsMC/CyclopsCore@7d759db

New release is on its way.