I\'m trying to submit my iOS app in Xcode6. When I click Submit or Validate in the organizer, a window pops up that says:
Failed to locate or
I had another cause for this problem.
I had 3 different Configurations (Debug, AdHoc, AppStore). I accidentally had the AdHoc Configuration selected in the Archive Scheme setting and tried to upload the generated archive to the AppStore.
So setting the Archive configuration to AppStore solved the problem for me.