Fatal error: Uncaught Error: Class 'Dompdf\FrameReflower\AbstractFrameReflower' not found in /home/bitrix/www/local.old/php_interface.old/libraries/dompdf/src/FrameReflower/Block.php:23 Stack trace: #0 {main} thrown in /home/bitrix/www/local.old/php_interface.old/libraries/dompdf/src/FrameReflower/Block.php on line 23