Interner Fehler

Call to undefined method LinkSearchPage::getLanguage

Backtrace:

#0 [internal function]: SpecialPage->__call('getLanguage', Array)
#1 /var/www/vhosts/rosenwiki.de/httpdocs/includes/specials/SpecialLinkSearch.php(82): LinkSearchPage->getLanguage()
#2 /var/www/vhosts/rosenwiki.de/httpdocs/includes/SpecialPageFactory.php(458): LinkSearchPage->execute(NULL)
#3 /var/www/vhosts/rosenwiki.de/httpdocs/includes/Wiki.php(226): SpecialPageFactory::executePath(Object(Title), Object(RequestContext))
#4 /var/www/vhosts/rosenwiki.de/httpdocs/includes/Wiki.php(626): MediaWiki->performRequest()
#5 /var/www/vhosts/rosenwiki.de/httpdocs/includes/Wiki.php(533): MediaWiki->main()
#6 /var/www/vhosts/rosenwiki.de/httpdocs/index.php(57): MediaWiki->run()
#7 {main}