You are confronting problem while Facebook Login then firstassure that you have entered correct login details if you have entered correct details then to you are encountering the same issues then just avail of
Facebook Customer Service. You can avail of thecustomer service by giving a call at
1-833-554-7444. Feel free toreach us as we are accessible all the time in order to provide a valuable service to our clients.
https://www.supportforhelp.net/facebook-customer-service-number