Fatal error: Uncaught exception 'Dompdf\Exception' with message 'Argument 1 passed to DOMNode::appendChild() must be an instance of DOMNode, boolean given, called in /home/users/scomo_2021/html/lib/dompdf/lib/html5lib/TreeBuilder.php on line 3208 and defined 4096' in /home/users/scomo_2021/html/lib/dompdf/src/Helpers.php:507 Stack trace: #0 [internal function]: Dompdf\Helpers::record_warnings(4096, 'Argument 1 pass...', '/home/users/sco...', 3257, Array) #1 /home/users/scomo_2021/html/lib/dompdf/lib/html5lib/TreeBuilder.php(3257): DOMNode->appendChild(false) #2 /home/users/scomo_2021/html/lib/dompdf/lib/html5lib/TreeBuilder.php(3208): HTML5_TreeBuilder->appendToRealParent(false) #3 /home/users/scomo_2021/html/lib/dompdf/lib/html5lib/TreeBuilder.php(1495): HTML5_TreeBuilder->insertElement(Array) #4 /home/users/scomo_2021/html/lib/dompdf/lib/html5lib/Tokenizer.php(2458): HTML5_TreeBuilder->emitToken(Array) #5 /home/users/scomo_2021/html/lib/dompdf/lib/html5lib/Tokenizer.php(1140): HTML5_Tokenizer->emitToken(Array) #6 /home/ in /home/users/scomo_2021/html/lib/dompdf/src/Helpers.php on line 507