Fatal error: Uncaught Error: Class 'Dompdf\Renderer\AbstractRenderer' not found in /home/bitrix/www/local.old/php_interface/libraries/dompdf/src/Renderer/Block.php:19 Stack trace: #0 {main} thrown in /home/bitrix/www/local.old/php_interface/libraries/dompdf/src/Renderer/Block.php on line 19