Fatal error: Uncaught Error: Class 'WP_REST_Controller' not found in /var/www/html/selimlab/wp-content/plugins/wp-super-cache/rest/class.wp-super-cache-rest-test-cache.php:3 Stack trace: #0 {main} thrown in /var/www/html/selimlab/wp-content/plugins/wp-super-cache/rest/class.wp-super-cache-rest-test-cache.php on line 3