The redirect URI in the request, http://www.reachcoimbatore.com/connect-with-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/800524990805-el10oq8auocg2fcb5eugdq56dbl0ocs0.apps.googleusercontent.com?project=800524990805