Could not find a storyboard named 'MainStoryBoard' in bundle NSBundle

Question

I have started a new app a few days ago and began working with the simulator to test it. I started as an empty project and manually added the storyboard. The simulator build

Answer 1

If you recently reset your iOS sim to default settings, it's also useful to check locale settings in its Preferences. I'm working on the app with Russian as the only locale and after sim reset the xCode stopped to start the app because the sim locale was set to English.