The redirect URI in the request, http://connecto.cc/addyourwebsite/google_plus_login, 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/554396992921-2c7671i1743qt22acmm9gs3dprvo3tsn.apps.googleusercontent.com?project=554396992921