Crash log
https://paste.dimdev.org/zujeguqoke.mccrash

Minecraft Version:
1.12.2

Mod Version:
2.1.2

I have posted the issue to Cyclic github aswell.
Lothrazar/Cyclic#841

Thanks for the report! This appears to be a repeat crash of #36

Yeah, this is just the same bug in two different mods.