Causing crash

[Vahlmira]

I’m trying to download this mod to a modpack I’m making for 1.12.2, but it keeps crashing and I can’t find the source of the crash. But I also realized that the mod file says “1.12.1” and not “1.12.2” could this be the problem?

[LukeDrop]

Do you have Coroutil mod installed onto forge?
It says you need Coroutil mod