The redirect URI in the request, https://www.motorlist.it/auth?authclient=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/52007245795-5h60ekppifam2arhfjeps6575o5lbdbf.apps.googleusercontent.com?project=52007245795