title: Login using Facebook
body: <p>In my site I included the login using facebook.It's working correctly,if the user enters the email_id. But the problem is in facebook there is an option for new user to register with mobile number, I didn't included mobile number in my site i.e., I am validating only with email_id's. If the user go to my site login with facebook ,if he login with mobile number throwing an error how to handle this ? can anyone help me?</p>