i could just be doing something wrong but it says that the latest version works for 1.12.1 and 1.12 and i added it to my 1.12 modpack and it crashes it

Could you send me the crash log? BTW you have to take care of CreativeCore, since there is a version for 1.12.1 and 1.12.

I'm gonna close this issue, if this issue still persists just let me know.