It's not possible to create a new version for any App Store Connect app. To reproduce, I navigate to my app and click the (+) button to create a new version number. I type in a version number, and click "Create." It fails with an error, "An error has occurred. Try again later." When I view it in the Network tab of the Web Inspector, it shows that there's a 500 error. { "errors": [{ "status": "500", "code": "UNEXPECTED_ERROR", "title": "An unexpected error occurred.", "detail": "An unexpected error occurred on the server side. If this issue continues, contact us at https://developer.apple.com/contact/." }] } The same error occurs when I attempt to create an app store version using the App Store Connect API.