Hi! I had a crash on startup that seems to be related to your mod.
I hope you can make some sense out of it. The easiest solution for me would be to remove your mod, but I still want to keep it in my setup, so that's why I'm contacting you.

My setup is:

• Minecraft 1.10.2
• Forge 12.8.1.2014
• Totemic 0.7.7

Here is the most relevant bit I could find:

java.lang.RuntimeException: Invalid id 4096 - maximum id range exceeded.
at net.minecraftforge.fml.common.registry.FMLControlledNamespacedRegistry.add(FMLControlledNamespacedRegistry.java:434)
at net.minecraftforge.fml.common.registry.FMLControlledNamespacedRegistry.register(FMLControlledNamespacedRegistry.java:800)
at net.minecraftforge.fml.common.registry.GameData.register_impl(GameData.java:250)
at net.minecraftforge.fml.common.registry.GameRegistry.register(GameRegistry.java:153)
at totemic_commons.pokefenn.ModBlocks.init(ModBlocks.java:59)
at totemic_commons.pokefenn.CommonProxy.preInit(CommonProxy.java:32)
at totemic_commons.pokefenn.ClientProxy.preInit(ClientProxy.java:40)
at totemic_commons.pokefenn.Totemic.preInit(Totemic.java:48)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

and here is the crash log

You hit the ID limit. You might want to remove some unused mods.

Does it work if you remove some other mod that adds blocks? It seems like there are too many blocks.

Apparently it is not a problem with the mod, but rather something that can happen if you have too many mods in a pack, or mods that are wasteful with block IDs.