Fatal error: Uncaught Error: Class 'WP_REST_Controller' not found in /var/www/Nielsen/public_html/wp-content/plugins/jetpack/_inc/lib/core-api/wpcom-endpoints/publicize-connections.php:23 Stack trace: #0 {main} thrown in /var/www/Nielsen/public_html/wp-content/plugins/jetpack/_inc/lib/core-api/wpcom-endpoints/publicize-connections.php on line 23