Unexpected non-MediaWiki exception encountered, of type "Exception"
exception 'Exception' with message 'WKPDF system error: <pre>Loading pages (1/6)
[> ] 0%
[===> ] 5%
[======> ] 10%
[============> ] 20%
[=================================> ] 55%
[=======================================> ] 65%
[============================================================] 100%
Counting pages (2/6)
[==============================> ] Object 1 of 2
[============================================================] Object 2 of 2
Resolving links (4/6)
[==============================> ] Object 1 of 2
[============================================================] Object 2 of 2
Loading headers and footers (5/6)
Printing pages (6/6)
[> ] Preparing
[==============================> ] Page 1 of 2
[============================================================] Page 2 of 2
Done
Exit with code 2 due to http error: 404 Page not found
</pre>' in /var/www/wiki_SIIT/extensions/tcpdf/wkhtmltopdf.php:212
Stack trace:
#0 /var/www/wiki_SIIT/extensions/tcpdf/PdfExport_body.php(75): WKPDF->render()
#1 /var/www/wiki_SIIT/includes/SpecialPage.php(578): SpecialPdf->execute(NULL)
#2 /var/www/wiki_SIIT/includes/Wiki.php(251): SpecialPage::executePath(Object(Title))
#3 /var/www/wiki_SIIT/includes/Wiki.php(63): MediaWiki->handleSpecialCases(Object(Title), Object(OutputPage), Object(WebRequest))
#4 /var/www/wiki_SIIT/index.php(114): MediaWiki->performRequestForTitle(Object(Title), NULL, Object(OutputPage), Object(User), Object(WebRequest))
#5 {main}