Xcode iOS organizer submit to app store yields “The archive is invalid” error

Question

I just switched from Xcode 3 to 4. When I attempt to upload an app that I have archived to the organizer, I receive this error:

The archive is invalid

Answer 1

1. Quit Xcode
2. With a text editor open the file YourProject.xcodeproj/project.pbxproj
3. Delete all lines containing PROVISIONING_FILE =
4. Delete all lines containing CODE_SIGN_IDENTITY =
5. Save & close project.pbxproj
6. Reopen your project in Xcode
7. Clean the project
8. In the Build Settings pane choose the correct code signing identity
9. Rebuild