object(Spipu\Html2Pdf\Exception\ExceptionFormatter)#202 (2) {
  ["message":protected]=>
  string(252) "Html2Pdf Error [1]
The html tag [article] is not known by Html2Pdf. You can create it and push it on the Html2Pdf GitHub project.
 File: /home/sinotec/www/library/vendor/spipu/html2pdf/src/Html2Pdf.php
 Line: 1441
 Invalid Tag: article
 Html Line: 113
"
  ["htmlMessage":protected]=>
  string(341) "<span style="color: #A00; font-weight: bold;">Html2Pdf Error [1]</span><br />
The html tag [article] is not known by Html2Pdf. You can create it and push it on the Html2Pdf GitHub project.<br />
 File: /home/sinotec/www/library/vendor/spipu/html2pdf/src/Html2Pdf.php<br />
 Line: 1441<br />
 Invalid Tag: article<br />
 Html Line: 113<br />
"
}