app installation failed - The application bundle does not contain a valid identifier - Xcode8.2

Question

I have got this really strange error where my app works fine on the simulator and can be built but when I try and run it on my device I get the following error:

Answer 1

if your bundle id is correct,you can try to delete derivedData folder. find your path at: Xcode/Preferences/Locations tab it works for me!