Fatal error: Uncaught Error: Interface 'Dompdf\Canvas' not found in /var/www/html/reinscripcion/js/dompdf-master/src/Adapter/CPDF.php:38 Stack trace: #0 {main} thrown in /var/www/html/reinscripcion/js/dompdf-master/src/Adapter/CPDF.php on line 38