The redirect URI in the request, http://www.twygoead.com/users/auth/google_oauth2/callback, 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/749492959599-nhj2qmeiejcrqc4jb789l4qcmha6tekc.apps.googleusercontent.com?project=749492959599