[KrisP]

Major, I was hoping you could take a look at this error with mediawiki 1.13.3:

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

Backtrace:

#0 /var/www/vhosts/mydomain.com/httpdocs/wiki/includes/Article.php(1564): wfRunHooks('ArticleSaveComp...', Array)
#1 /var/www/vhosts/mydomain.com/httpdocs/wiki/includes/Article.php(1317): Article->doEdit('test5?gr?fe', '', 98)
#2 /var/www/vhosts/mydomain.com/httpdocs/wiki/includes/EditPage.php(997): Article->updateArticle('test5?gr?fe', '', false, false, false, '')
#3 /var/www/vhosts/mydomain.com/httpdocs/wiki/includes/EditPage.php(2274): EditPage->internalAttemptSave(false, false)
#4 /var/www/vhosts/mydomain.com/httpdocs/wiki/includes/EditPage.php(464): EditPage->attemptSave()
#5 /var/www/vhosts/mydomain.com/httpdocs/wiki/includes/EditPage.php(349): EditPage->edit()
#6 /var/www/vhosts/mydomain.com/httpdocs/wiki/includes/Wiki.php(492): EditPage->submit()
#7 /var/www/vhosts/mydomain.com/httpdocs/wiki/includes/Wiki.php(59): MediaWiki->performAction(Object(OutputPage), Object(Article), Object(Title), Object(User), Object(WebRequest))
#8 /var/www/vhosts/mydomain.com/httpdocs/wiki/index.php(93): MediaWiki->initialize(Object(Title), Object(Article), Object(OutputPage), Object(User), Object(WebRequest))
#9 {main}