Exception encountered, of type "Error"
[82f66465] /index.php?action=export2oo&title=Blog%3AAdvanced_Algorithms%2F2012-12-21_%D0%AD%D0%BA%D0%B7%D0%B0%D0%BC%D0%B5%D0%BD_%D0%BF%D1%80%D0%BE%D1%88%D0%B5%D0%BB._%D0%A1%D0%BB%D0%B5%D0%B4%D1%83%D1%8E%D1%89%D0%B8%D0%B5_%D0%BF%D0%BE%D0%BF%D1%8B%D1%82%D0%BA%D0%B8_%D0%B2_%D0%98%D0%A1%D0%9F%D0%A0%D0%90%D0%9D. Error from line 229 of /var/www/discopal/actual/extensions/DocExport/DocExport.php: Call to undefined function wfMessageNoTrans()
Backtrace:
#0 /var/www/discopal/actual/extensions/DocExport/DocExport.php(144): DocExport::sendTo()
#1 /var/www/discopal/actual/includes/Hooks.php(201): DocExport::onUnknownAction()
#2 /var/www/discopal/actual/includes/MediaWiki.php(494): Hooks::run()
#3 /var/www/discopal/actual/includes/MediaWiki.php(287): MediaWiki->performAction()
#4 /var/www/discopal/actual/includes/MediaWiki.php(714): MediaWiki->performRequest()
#5 /var/www/discopal/actual/includes/MediaWiki.php(508): MediaWiki->main()
#6 /var/www/discopal/actual/index.php(41): MediaWiki->run()
#7 {main}