Xcode 6.3.2 The application does not have a valid signature

Question

I have tried every related thread and did all the suggested steps:

1. Remove All provisioning profiles
2. Create new app id

But I still get <

Answer 1

On xcode 8, I've fixed it by editing a line in the code (adding and then deleting a character anywhere in the code). Seems to be a Xcode 8 bug...