You may see one of these on the sign-in page:
"Google sign-in did not finish. Please try again."
"Google sign-in was cancelled."
"Your Google account email is not verified. Use email and password instead."
What to do
Tap Continue with Google again and finish choosing your account.
Finish the Google steps in the same tab you started them in.
If your Google email is not verified, verify it with Google, or sign up with your email and a password.