Xcode 10.2.1 Command PhaseScriptExecution failed with a nonzero exit code

Question

Showing Recent Messages:-1: mkdir -p /Users/spritzindia/Library/Developer/Xcode/DerivedData/Contigo-atftiouzrdopcmcpprphpilawwzm/Build/Products/Debug-iphonesimulator         


        

Answer 1

I have a project in React Native and suddenly this error appeared. I was doing some shit with homebrew beforehand and this solved the issue for me:

brew update
brew upgrade
brew cleanup