(null) cannot start armv7f in Xcode 6.3.1

Question

When I try to run the application on my iPad (iOS 8.3) from xcode6.3.1, I get the following error. I use valid architectures Standard architectures (armv7, armv7s) . Can someone tell me why this error occurred and what does this armv7f mean?

Answer 1

You can ignore this message, this is a bug in Xcode. Disconnect and reconnect the device to the computer to enable it.

Answer 2

You have created an application for iPad mini and are now trying to run it on a non-mini-iPad.