Internal error

From Talbot

Detected bug in an extension! Hook LatexDoc::onUnknownAction failed to return a value; should return true to continue hook processing or false to abort.

Backtrace:

#0 /home/sda1/local/www/docs/conferences/talbot/wiki/includes/Wiki.php(574): wfRunHooks('UnknownAction', Array)
#1 /home/sda1/local/www/docs/conferences/talbot/wiki/includes/Wiki.php(70): MediaWiki->performAction(Object(OutputPage), Object(Article), Object(Title), Object(User), Object(WebRequest))
#2 /home/sda1/local/www/docs/conferences/talbot/wiki/index.php(117): MediaWiki->performRequestForTitle(Object(Title), Object(Article), Object(OutputPage), Object(User), Object(WebRequest))
#3 {main}