“Failed to upload *.app on Device ” Error in iPhone

Question

I am getting an error while uploading my app on device. It does installs it but not able to upload it.

Also I want to run the instrument tool on device but when I run it

Answer 1

I had this problem after changing around provisioning profiles and app ID's.

What fixed it for me:

1. Quit XCode
2. In Terminal.app, navigate to your project directory and execute rm -rf build/
3. Restart XCode