Fatal error: Uncaught Error: Class 'PHPExcel_Settings' not found in H:\xampp72-upgrade\htdocs\ces\phpnative\helper\PHPExcel\Writer\PDF\tcPDF.php:30 Stack trace: #0 {main} thrown in H:\xampp72-upgrade\htdocs\ces\phpnative\helper\PHPExcel\Writer\PDF\tcPDF.php on line 30