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

Yes

Forge Version

1.18.2

ImmersivePortals Version

1.18.2

Latest Log

Crash Report (if applicable)

Steps to Reproduce

What You Expected

I expected it to work...

What Happened Instead

I got this error...

Additional Details

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.

Closing due to no reply

what error, nothing is attached

It seems your issue is missing logs as well as a detailed description. Without those things we are not able to help you.