Fatal error: Uncaught Error: Interface "Dompdf\Canvas" not found in C:\xampp\htdocs\binusman\dompdf\dompdf-master\src\Adapter\PDFLib.php:31 Stack trace: #0 {main} thrown in C:\xampp\htdocs\binusman\dompdf\dompdf-master\src\Adapter\PDFLib.php on line 31