First issue woo

Game crashes on heavily modded environment:
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.audio.SoundHandler

Log:
latest.log
Crash report:
crash-2022-11-02_11.34.19-client.txt

MixinBooter version: !mixinbooter-4.2.jar

Surge‘s functionality is superseded by this mod and should be removed.
Can you try again without it?

1.0.0 pre2 was released just now to handle this:
https://github.com/ACGaming/UniversalTweaks/releases/tag/1.12.2-1.0.0-pre2