The redirect URI in the request, https://hybridminds.london/wp-content/plugins/googlesignup/login.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/56234021752-v8r7ue5r43en1rajk6juieovinqft4k1.apps.googleusercontent.com?project=56234021752