Multimc Hackphoenix -
Forge/Fabric conflicts or missing libraries. Solution: Most HackPhoenix builds are standalone. Do not install Forge on the same instance. Start from a pure Vanilla MultiMC instance.
MultiMC HackPhoenix is a customized, third-party version of the popular open-source Minecraft launcher, , specifically modified to allow "cracked" or offline play multimc hackphoenix