problem with Cron - by: dep@eca.fr

I've got problem with CRON on V8.1.0:

2019-06-21 14:51:31.618 ===== TRACE ===== Cron started at 21/06/2019 14:51:31
2019-06-21 14:51:34.404 ***** ERROR ***** [V8.1.0] EXCEPTION *****
2019-06-21 14:51:34.404 ***** ERROR ***** [V8.1.0] on file '/var/www/projeqtor/external/html2pdf/src/Html2Pdf.php' at line (5668)
2019-06-21 14:51:34.404 ***** ERROR ***** [V8.1.0] cause = The content of the TD tag does not fit on only one page
2019-06-21 14:51:34.404 ***** ERROR ***** [V8.1.0] => #0 /var/www/projeqtor/external/html2pdf/src/Html2Pdf.php (1439) -> _tag_close_TD()
2019-06-21 14:51:34.404 ***** ERROR ***** [V8.1.0] => #1 /var/www/projeqtor/external/html2pdf/src/Html2Pdf.php (1393) -> _executeAction()
2019-06-21 14:51:34.404 ***** ERROR ***** [V8.1.0] => #2 /var/www/projeqtor/external/html2pdf/src/Html2Pdf.php (595) -> _makeHTMLcode()
2019-06-21 14:51:34.404 ***** ERROR ***** [V8.1.0] => #3 /var/www/projeqtor/model/AutoSendReport.php (218) -> writeHTML()
2019-06-21 14:51:34.404 ***** ERROR ***** [V8.1.0] => #4 /var/www/projeqtor/model/Cron.php (475) -> sendReport()
2019-06-21 14:51:34.404 ***** ERROR ***** [V8.1.0] => #5 /var/www/projeqtor/tool/cronRun.php (31) -> run()
2019-06-21 14:51:34.404 ===== TRACE ===== Exception while executing script : try and restart