Fatal error: Uncaught Error: Class "WP_REST_Search_Handler" not found in D:\XAMPP\htdocs\UTeM\penerbit\wp-includes\rest-api\search\class-wp-rest-post-format-search-handler.php:17 Stack trace: #0 {main} thrown in D:\XAMPP\htdocs\UTeM\penerbit\wp-includes\rest-api\search\class-wp-rest-post-format-search-handler.php on line 17