The redirect URI in the request, http://www.pizzadomcek.sk/auth/login-google.php, 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/85430824737-muq2m4k280jdne19d01o3n91dqeooluu.apps.googleusercontent.com?project=85430824737