Errore: impossibile toccare homebrew / cask: sintassi non valida in tap!

errore: impossibile toccare homebrew / cask: sintassi non valida in tap!

# The issue was because of wrong xcode installation. 
# I reinstalled xcode and homebrew again and it worked fine. 
# Don't know why xcode error was not there while using it.
xcode-select --install