Fatal error: Uncaught Error: Interface 'Dompdf\Canvas' not found in /home/rfslogis/public_html/php/dompdf-1.2.0/src/Adapter/CPDF.php:38 Stack trace: #0 {main} thrown in /home/rfslogis/public_html/php/dompdf-1.2.0/src/Adapter/CPDF.php on line 38