Fatal error: Uncaught Error: Class "WP_REST_Controller" not found in /var/www/html/dcpl/wp-content/plugins/jetpack/_inc/lib/core-api/wpcom-endpoints/publicize-connections.php:23 Stack trace: #0 /var/www/html/dcpl/wp-content/plugins/jetpack/_inc/lib/core-api/wpcom-endpoints/publicize-connection-test-results.php(8): require_once() #1 {main} thrown in /var/www/html/dcpl/wp-content/plugins/jetpack/_inc/lib/core-api/wpcom-endpoints/publicize-connections.php on line 23