Not sure what's going on, the crash report is pretty lengthy and it's hard to read what's causing it to crash the whole game, can't even open with it turned on.
"https://gist.github.com/HiddenTides/1ceb7348dae552cbddf3b7b2103fd254.js"

Mods used (Via curseforge)
Optifine, decorative blocks, decorative winter, simple backpack, twigs.

APIs: Cloth API (fabric), Fabric API

@kwpugh I've been trying to find that and am not really sure where it would be. There's no mention of it anywhere on curseforge or where I can find it.

Looks like you are missing the required Cloth Config API

https://www.curseforge.com/minecraft/mc-mods/cloth-config