Fatal error: Uncaught Error: Class "Mpdf\Barcode\AbstractBarcode" not found in /home/vtdemo/public_html/shaktishree/application/libraries/mpdf/src/Barcode/Code128.php:11 Stack trace: #0 {main} thrown in /home/vtdemo/public_html/shaktishree/application/libraries/mpdf/src/Barcode/Code128.php on line 11