I ask to chat gpt and it says something about "mixin". I don't know what it is. I've tried to delete the other mods and it doesn't changed the situation.
crash-2024-04-27_20.08.11-client.txt

Thats the crash report. Anyone, please?

Thanks!

I recommend that you to try Embeddium. Maybe solve some issues hopefully.
Rubidium is lacking for maintenances and updates now.