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

Yes

Forge Version

40.1.73

ImmersivePortals Version

1.4.10-mc1.18.2

Latest Log

https://gist.github.com/woliver99/1dc09493e8c0c0142b9580c75832b389

Crash Report (if applicable)

No response

Steps to Reproduce

1. Start Modpack
2. Join Server
3. Get Kicked For Bad Packet

What You Expected

Join server successfully

What Happened Instead

Kicked out of server due to invalid packet

Additional Details

It works fine in single-player it's only when I join a server. I have a few mods that are incompatible so that could be why ex: create rubidium. But it has to do with a bad packet when joining a server. Anyway, I'm not expecting this to get fixed I just want you to be aware of the issue.
All Mods/Logs: https://drive.google.com/drive/folders/1Ma-56yIXyBjx8Q3jbvUDMFHYp7-dXKni?usp=sharing

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 this issue is unique and has not been reported already.

Please try without connectivity.

So idk what happened but i think i accidentally deleted all my client side mods including connectivity but it started to work if you want when im back at my pc i can test it with connectivity and see if thats the problem

Yea it was connectivity, I got the same error with it on

fixed (when Immersive Portal For Forge will have a version 1.19.2)

Will this not be fixed below 1.19.2?

Still happening while using the latest Connectivity and Immersive Portals versions.

unfortunately this error stems from connectivity and MixinClientboundCustomPayloadPacket
changing the code to
private int modifySizeLimitWhenReadingPacket(int value) {
return 233333333;
}

previous code -> //private int modifySizeLimitWhenReadingPacket(int oldValue) {

got this to work with packetsizedoubler mod instead of connectivity since its closed source. (oof)

I had to modify both mods but would crash once switching dimensions

Will there be any solution?
I read in Connectivity issues that compatibility will not be ported to forge 1.18.2.

Happens also with XL packages (There's a crash #113 ) due to the same mixin.