I usually play on 1.19 and found this bug when updating mod menu. I work with a bunch of other mods that could be causing the problem, but downgrading mod menu worked for 1.19.4. Now I am updating my huge modpack to 1.20.1 and the error shows again, but this time I can't downgrade the mod.

mods:

I'm too lazy to type them all out

Ask for any information needed.
Sys info:
GNU/Linux
Kernel Linux 6.3.8-200.fc38.x86_64
OS
Fedora Linux 38
Wayland
x64_86
Gnome 44.2
Computer
16 gb ram
AMD Ryzen™ 5 5600G with Radeon™ Graphics × 12
AMD Radeon™ Graphics

This issue is a duplicate of #607, and the issue has already been solved in version 7.1.0. The version you are using is outdated.