Fatal error: Uncaught Error: Interface 'Dompdf\Canvas' not found in /home/bitrix/www/local.old/php_interface/libraries/dompdf/src/Adapter/CPDF.php:37 Stack trace: #0 {main} thrown in /home/bitrix/www/local.old/php_interface/libraries/dompdf/src/Adapter/CPDF.php on line 37