Fatal error: Uncaught Error: Class 'PHPExcel_Settings' not found in D:\xampp\htdocs\dzzoffice\core\class\PHPExcel\Writer\PDF\DomPDF.php:30 Stack trace: #0 {main} thrown in D:\xampp\htdocs\dzzoffice\core\class\PHPExcel\Writer\PDF\DomPDF.php on line 30