The redirect URI in the request, http://www.fotoagent.com/members/check_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/762689339669-47h0kg49fkm28hjskd4blsinc2c1dlfi.apps.googleusercontent.com?project=762689339669