To Reproduce
Steps to reproduce the behavior:

1. Install mod on 1.20.1
2. Launch game
3. Game crashed

Logs
https://gist.githubusercontent.com/Gbergz/1db8386e91c2f20b678f5395e41fda8e/raw/2c758b796c35ea26605e6a98332ca630b9374f42/gistfile1.txt

Crash report
Wasn't generated.

Please complete the following information:

• OS: Windows 11
• Minecraft version: 1.20.1
• Mod Version: 2.4.2

FOR FORGE:

• Forge version: 47.1.0

Additional context
None.

Additional mods used
None.

If I recall correctly this is fixed. Let me know if it still occurs.

Hmm, seems like a known issue, not reported yet tho.
2.5.0 is going to have the fix (alongside a new feature)