Fatal error: Uncaught Error: Class 'Dompdf\FrameDecorator\AbstractFrameDecorator' not found in /var/www/html/app/ThirdParty/dompdf/src/FrameDecorator/Block.php:18 Stack trace: #0 {main} thrown in /var/www/html/app/ThirdParty/dompdf/src/FrameDecorator/Block.php on line 18