I have tried to load it in different versions and i keep getting the same error. org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered

that pops up when i get into minecraft which sucks because its in my custom pack and this is one of my favorite go to mods. If you could fix it that would be awesome.

I would need the whole crash report to decipher the cause, but most likely your issue may be coming from either Tiered or Inventorio. Please check if you have either of these mods installed and, if so, see if removing them fixes the issue.