Error when exporting frame to pdf

Hello,
When exporting user details (projects) to pdf, i get an error on browser (ERROR : Une exception est survenue le 2021-01-13 à 10:06:14) and the following lines on log:
2021-01-13 10:06:14.484 ***** ERROR ***** [V9.0.2] EXCEPTION *****
2021-01-13 10:06:14.485 ***** ERROR ***** [V9.0.2] on file '..../external/html2pdf/src/Parsing/Html.php' at line (262)
2021-01-13 10:06:14.485 ***** ERROR ***** [V9.0.2] cause = Tags are closed in a wrong order for 2021-01-13 10:06:14.485 ***** ERROR ***** [V9.0.2]    => #0 /....../external/html2pdf/src/Parsing/Html.php (94) -> getTagAction()
2021-01-13 10:06:14.486 ***** ERROR ***** [V9.0.2]    => #1 ......./external/html2pdf/src/Html2Pdf.php (610) -> parse()
2021-01-13 10:06:14.486 ***** ERROR ***** [V9.0.2]    => #2 /....../view/print.php (342) -> writeHTML()
2021-01-13 10:06:14.486 ***** ERROR ***** [V9.0.2]    => #3 /....../view/print.php (272) -> finalizePrint()