What happened?

The game crashes on startup with immersive engineering

latest.log

Loader

forge

Mod Version

1.4.0

Minecraft Version

1.20

Relevant log output

This is not impossible, but due to it's internal code requires quite a few changes on IE's side.
I've opened a pull request allow the mod to load at all if any other dye colors are present.
If this gets merged it is possible to add the missing compat (data/assets) here