I am not based in Fort Smith, I am based in Northern Virginia

I fixed the error, I had a duplicated class in my app, and I used it in the file that was causing the errors, which broke Xcode.

Thanks, this worked

I get an error that says unbalanced calls to begin/end appearance transitions, when I am transitioning from the google sign in to the main view controller in this line of code, Swift  UserDefaults.standard.set(downloadUrl, forKey: "profile_picture_url")                          let vc = self?.storyboard?.instantiateViewController(identifier: "tabBarVC") as! TabBarViewController                          vc.modalPresentationStyle = .fullScreen                          self?.present(vc, animated: true)

No, its because I used weak self

I get, 'Attribute private can only be used in a non-local scope' near the @objc, and 'declaration is only valid at file scope' near the extension, and 'Expected '}' in class' at the end of the file

it doesn't work instead it says Unbalanced calls to begin/end appearance transitions for (my project name).MainViewController: 0x7fc541815800, (main view controller is my navigation controller)

Anyone have any solutions?

Thanks, but this didn't help because I realized there is a problem with my google sign in so it's not even reaching the line with this code... Swift self?.present(vc, animated: true)

If you click on the here is the code section of my question there is a google sign in function, and that's where the error is coming from.

what?

I fixed the error by getting. rid of that roi line

Actually, it didn't fix the error.