I disabled phone 2 factor, and tried to set up authenticator app, but the QR code won't load (see below). I then tried to go back to phone 2 factor, and it won't accept a normal 10 digit US phone number?

I disabled phone 2 factor, and tried to set up authenticator app, but the QR code won't load (see below). I then tried to go back to phone 2 factor, and it won't accept a normal 10 digit US phone number?

Enter your E-mail address. We'll send you an e-mail with instructions to reset your password.