According to your testing, does the issue occur with ONLY Immersive Portals mod installed?

Yes

Forge Version

47.4.2

ImmersivePortals Version

3.0.7-all

Latest Log

https://gist.github.com/exd1337/1221a50d998e92ece83795638b70969f

Crash Report (if applicable)

No response

Steps to Reproduce

1. Download immersive portals and cloth config
2. Start server
3. It crashes

What You Expected

It starts up

What Happened Instead

It crashes

Additional Details

No response

Please Read and Confirm The Following

• I have confirmed this bug can be replicated without the use of Optifine.
• I have confirmed the details provided in this report are concise as possible and does not contained vague information (ie. Versions are properly recorded, answers to questions are clear).
• I have confirmed this does not happen on the fabric version (If it does please report to here instead).
• I have confirmed I'm not using a hybrid server (Magma, Cauldron) or a different (non official) Forge Server release.
• I have confirmed this issue is unique and has not been reported already.

this is extremely late but i was searching for a fix for a similar issue and switching to forge version 47.4.0 on my server seems to have fixed this to me.

yes