I\'ve built a small app using storyboards and it ran great. Just before final testing I decided to try it out to see if it runs on iOS 4.3. I clicked on the gray 5.0 in the
This seems to be a bug in the latest XCode that I've also run into too, did try the OP's solution of changing debugger and that had no effect.
It cropped up for me since I tried storyboard with 4.3 and then tried to change back.
My solution was to close XCode, open it again and clean. Then I compiled and it worked fine.
Hope this helps others.