The file “***.app” couldn’t be opened because you don’t have permission to view it

Question

While running my project with swift code in XCode 6.3 & XCode 7, I got this error:

The file “***.app” couldn’t be opened because you don’t have

Answer 1

Removing the Valid_Archs key in resolved the issue for me.

I couldn't remove the keys in Xcode but opening the project file and deleting using a text editor worked.