Fatal error: Uncaught Error: Class "WP_REST_Search_Handler" not found in /home/koku7/public_html/wp-includes/rest-api/search/class-wp-rest-post-search-handler.php:17 Stack trace: #0 {main} thrown in /home/koku7/public_html/wp-includes/rest-api/search/class-wp-rest-post-search-handler.php on line 17