brew cask install corretto8
Error: Cask corretto8 exists in multiple taps:
means “you ran both
brew tap caskroom/versions (the old way to access cask versions)
brew tap homebrew/cask-versions (the new way)
guess they have some special magic sauce to treat the old way “as if it works” but if you do both it causes collisions, as underneath it is using the new way. Same repo. Yep, go figure.
brew untap caskroom/versions