The redirect URI in the request, https://www.cellpayportal.com/users/google, does not match the ones authorized for the OAuth client. To update the authorized redirect URIs, visit: https://console.developers.google.com/apis/credentials/oauthclient/338869375074-qim8bt7llu68r134fvspc92vj8q92ktk.apps.googleusercontent.com?project=338869375074