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