iOS5 Storyboard error: Storyboards are unavailable on iOS 4.3 and prior

Question

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

Answer 1

I also got this problem and finally I solved this by following procedure:

1. Open XXXXXX.storyboard
2. Open Identity and Type tab in your right view of Xcode.
3. Set the value of Development in Document Versioning to "Xcode 4.2" (my default value is "Default Version (Xcode 4.1)".
4. Change the value of Deployment from Project SDK Version (iOS 5.0) to iOS 5.0, then back to Project SDK Version (iOS 5.0)

Rebuild the project and the error should be resolved.