Fatal error: Uncaught Error: Interface "Dompdf\Canvas" not found in /var/www/html/controlhv/controller/dompdf1.old/src/Adapter/CPDF.php:73 Stack trace: #0 {main} thrown in /var/www/html/controlhv/controller/dompdf1.old/src/Adapter/CPDF.php on line 73