Xcode cannot run using the selected device

Question

I am receiving the following error when I try to run my Xcode iOS project:

Xcode cannot run using the selected device. Choose a destination with a supported          


        

Answer 1

I had this error when trying to run a DEBUG build. I changed "Build Active Architecture" to YES for DEBUG and this error finally went away after hours of frustration. I tried about 10 different things that I read on this site and nothing else worked.