The redirect URI in the request, https://www.c3magazine.net/?action=cosmosfarm_members_social_login_callback_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/157053032650-tmv5j8ergrrrjh42oefrb8os2jjmilv5.apps.googleusercontent.com?project=157053032650