Unable to run app in Simulator Xcode 6

Question

Yesterday i was testing my app in the iOS simulator and everything was working fine. I then decided to run the app on my iPhone and i got the error unable to install appli

Answer 1

Generally it means there is a problem with the build, it may be due to old cache (solved by a clean build) or a project definition error (missing library, bad definition in info.plist, etc).

In my case it happened only on iOS 8, turns out that my widget had the wrong bundle ID.