Fatal error: Uncaught Error: Class 'Dompdf\FrameDecorator\AbstractFrameDecorator' not found in /home/kingelearn/public_html/vendor/dompdf/dompdf_old/src/FrameDecorator/NullFrameDecorator.php:18
Stack trace:
#0 {main}
thrown in /home/kingelearn/public_html/vendor/dompdf/dompdf_old/src/FrameDecorator/NullFrameDecorator.php on line 18