Fatal error: Uncaught Error: Interface 'AC\RequestAjaxHandler' not found in C:\xampp\htdocs\wp-content\plugins\admin-columns-pro\classes\Filtering\RequestHandler\Comparison.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wp-content\plugins\admin-columns-pro\classes\Filtering\RequestHandler\Comparison.php on line 19