The redirect URI in the request, http://balticcup.pl/account/login/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/345115789685-4kcva08i6srb27f73n9enlru0g39it1d.apps.googleusercontent.com?project=345115789685