1.17.1 does not work with mixins loaded
whatthedrunk opened this issue ยท 1 comments
On ATM7 we now use MixinBootstrap so it trys to load some mixin stuff in your mod that is not updated yet.
https://hastepaste.com/view/6yxU
https://www.curseforge.com/minecraft/mc-mods/mixinbootstrap/files/3437402
