Fatal error: Uncaught Error: Class "WP_REST_Controller" not found in /home/pacs/vcg00/users/compgen.de/wordpress/wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php:17 Stack trace: #0 {main} thrown in /home/pacs/vcg00/users/compgen.de/wordpress/wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php on line 17