Xcode beta generates App cannot be opened because of a problem

Question

Check with the developer to make sure MyApp works with this version of macOS.

After trying to use ASWebAuthenticationSession, when the App receives the callback, it shows the error:

The same error is showed after an attempt to generate the app and open it.

Answer 1

The error you are seeing is because your code is referring to either a non existing library or is pointing to the wrong directory where your code should look for such library. Please check the rpath you are using. Usually, you should place any dylibs inside a Frameworks folder inside your bundle and thus your rpath should start like this: ../Frameworks/InternalAPI.framework (...)