Fatal error: Uncaught Spipu\Html2Pdf\Exception\HtmlParsingException: The html tag [iframe] is not known by Html2Pdf. You can create it and push it on the Html2Pdf GitHub project. in /home/opusline/www/wp-content/themes/opusline/vendor/spipu/html2pdf/src/Html2Pdf.php:1404 Stack trace: #0 /home/opusline/www/wp-content/themes/opusline/vendor/spipu/html2pdf/src/Html2Pdf.php(1012): Spipu\Html2Pdf\Html2Pdf->_executeAction(Object(Spipu\Html2Pdf\Parsing\Node)) #1 /home/opusline/www/wp-content/themes/opusline/vendor/spipu/html2pdf/src/Html2Pdf.php(968): Spipu\Html2Pdf\Html2Pdf->_setNewPositionForNewLine(NULL) #2 /home/opusline/www/wp-content/themes/opusline/vendor/spipu/html2pdf/src/Html2Pdf.php(1447): Spipu\Html2Pdf\Html2Pdf->_setNewLine(5.8208333333333, NULL) #3 /home/opusline/www/wp-content/themes/opusline/vendor/spipu/html2pdf/src/Html2Pdf.php(4067): Spipu\Html2Pdf\Html2Pdf->_makeBreakLine(5.8208333333333, NULL) #4 /home/opusline/www/wp-content/themes/opusline/vendor/spipu/html2pdf/src/Html2Pdf.php(1402): Spipu\Html2Pdf\Html2P in /home/opusline/www/wp-content/themes/opusline/vendor/spipu/html2pdf/src/Html2Pdf.php on line 1404