Fatal error: Uncaught Error: Class 'WP_REST_Controller' not found in /nfs/bronfs/uwfs/hw00/d47/davislab/wordpress/wp-includes/rest-api/endpoints/class-wp-rest-block-renderer-controller.php:17 Stack trace: #0 {main} thrown in /nfs/bronfs/uwfs/hw00/d47/davislab/wordpress/wp-includes/rest-api/endpoints/class-wp-rest-block-renderer-controller.php on line 17