The redirect URI in the request, https://boligsurf.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/930941329369-duqhep8ob5tvrrdebk1ml8h05ilj8sl6.apps.googleusercontent.com?project=930941329369