Unsure what causes this crash -- Imagine there is a mod incompatibility.

Crashlog:
https://gist.github.com/Sakata-MC/d46036ec545650e7aa47472d2081ce74

Same here, maybe some mod conflict...
debug.log
crash-2021-01-06_17.47.25-client.txt

Tried to remove couple of other mods without much success - at least we know it's not ism or animania conflicting (or not only ))