Fatal error: Uncaught Error: Class 'WP_REST_Controller' not found in /home/www/scNAorgWebSite/wp-content/plugins/jetpack/_inc/lib/core-api/wpcom-endpoints/subscribers.php:14 Stack trace: #0 {main} thrown in /home/www/scNAorgWebSite/wp-content/plugins/jetpack/_inc/lib/core-api/wpcom-endpoints/subscribers.php on line 14