ProjectJJK incompatibility with Sinytra Connector (Rendering overlay)

[vred1]

Mod Name

ProjectJJK

Mod Homepage

https://www.curseforge.com/minecraft/mc-mods/projectjjk

Minecraft version

1.21.1

Describe the bug

mod makes the game crash (Rendering overlay)

Steps to reproduce

1. Download Sinytra Connector + Forgified Fabric API
2. Download ProjectJJK + Specter (required mod) https://github.com/hadences/Specter/releases/tag/v0.1.63.
3. game will crash
4. https://mclo.gs/EfQUGkh (Rendering overlay)
   ...

Logs

https://mclo.gs/EfQUGkh

Additional context

This mod modifies shaders for special effects, so a rendering bug was expected tbh

[vred1]

on one attempt it showed this screen, but even disabling the mixin safeguard caused the same issue