Xcode 4: Build Failed, No Issues

Question

The app works fine in the simulator, builds and runs.

When I attach my device (iPhone 3GS running iOS 4.3) and target the iPhone, the result is \"Build failed\" with

Answer 1

Just to add another answer after trying ALL the above without success: I had to restart the MacBook, not only close XCode, and that worked for me. It ended up with XCode showing some errors in the Localizable.strings that it didn't show before.

Hope that helps