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