Unable to open executable - xcode

Question

I\'m getting this error...any idea how to solve it?

GenerateDSYMFile /Users/fmota/Library/Developer/Xcode/DerivedData/PBTest-gvudadeakgzklbekugyiqyfyprlt/Bui         


        

Answer 1

And here's yet another cause: repeated use of [unowned self] inside of nested blocks.