Forge version:
Twilight Forest version: 3.9.984
Link to crash log: https://paste.dimdev.org/egasilovox.mccrash

Steps to reproduce:

1. I just well launched it trying to make a new pack and crashed

What I expected to happen: it to work

What happened instead: it crashed on step one

Forge version: 1.12.2-14.23.5.2837
Twilight Forest version: 3.9.984
Crash log link: https://paste.dimdev.org/cozomineki.mccrash
Synopsis: same as above