clang: error: clang frontend command failed with exit code 70 (use -v to see invocation)

Question

I don\'t know what causes it.

It does not happen at iPhone 5 and simulators. It have been happened only my original device iPhone 7.

fatal error: err         


        

Answer 1

Delete ~/Library/Developer/Xcode/DerivedData worked for me. Issue is due to cache, since your using pods - you need to remove old references