Fatal error: Uncaught Error: Class 'Dompdf\Positioner\AbstractPositioner' not found in /home/bitrix/www/local.old/php_interface/libraries/dompdf/src/Positioner/Fixed.php:17 Stack trace: #0 {main} thrown in /home/bitrix/www/local.old/php_interface/libraries/dompdf/src/Positioner/Fixed.php on line 17