Exception encountered, of type "Error"
[a981e004023e317273c72721] /wiki/index.php?title=Category:Publication&action=pdfbook Error from line 18 of /home/mondotheque/wiki/extensions/PdfBook/PdfBook.hooks.php: Call to undefined function wfMsg()
Backtrace:
#0 /home/mondotheque/wiki/includes/Hooks.php(195): PdfBookHooks::onUnknownAction(string, CategoryPage)
#1 /home/mondotheque/wiki/includes/MediaWiki.php(507): Hooks::run(string, array)
#2 /home/mondotheque/wiki/includes/MediaWiki.php(288): MediaWiki->performAction(CategoryPage, Title)
#3 /home/mondotheque/wiki/includes/MediaWiki.php(745): MediaWiki->performRequest()
#4 /home/mondotheque/wiki/includes/MediaWiki.php(519): MediaWiki->main()
#5 /home/mondotheque/wiki/index.php(43): MediaWiki->run()
#6 {main}