To Reproduce
Steps to reproduce the crash:

1. Launch the game with Extra Planets + MJRLegendsLib
2. Crashes during preinit

Screenshots

Versions (please complete the following information)

• Forge: 14.23.5.2859
• Flan's Mod: 5.5.2

Crash Log

https://gist.github.com/bolt1117/9c1e335788cd8a5b08630dedb47be424

Additional context

This crash does not seem to have to do anything with MJRLegendsLib, the library Extra Planets requires, as when I left it in without Extra Planets, the game loaded fine.

I'm having the same problem, and judging by the date your issue was opened, FlansGames will never answer