The redirect URI in the request, http://bulbul.mapunitygroups.com/users/auth/google/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/242163642299-ag8clj5jmja1ho7jld4e7b5lrbfcdln6.apps.googleusercontent.com?project=242163642299