The redirect URI in the request, https://www.smsocialnetwork.com/wp-admin/admin-ajax.php?action=clientConnectionInit, 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/234033978421-2inuvav8ra4io40phun5rc40nfue4duo.apps.googleusercontent.com?project=234033978421