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

Yes

Forge Version

43.3.4

ImmersivePortals Version

2.3.2-1.19.2

Latest Log

https://gist.github.com/Fr3dyx/6dab9556d391cfc159474e09e652d27f

Crash Report (if applicable)

https://gist.github.com/Fr3dyx/b63a253cc23d4971541e01facdd9f3fd

Steps to Reproduce

the error applies to the moment of chacer tp to the players, from under the ground and to the dead.

What You Expected

I thought that some mod crashed with the immersive

What Happened Instead

I have nothing to write xd

Additional Details

it was without plugins or mods, just performance mods like rubidium smootbot and spark. this only happens on arclight servers since it doesn't happen on forge servers.
Video link (expires in one day)

https://streamable.com/mmkrce
(Note:
I did not want to confirm that it did not happen to me in a hybrid server but it did not let me pass.)

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.

I did not want to confirm that it did not happen to me in a hybrid server but it did not let me pass.

That's on purpose. I am sadly not able to support hybrids.