mediawiki 手机版（ mobilefronted）出现错误

最近尝试用 mediawiki 建站，但遇到了一些问题。 首先就是手机版插件用不了，出现错误。

不知哪位仁兄能解答我的问题？谢谢啦

网站 http://topik.koreaxin.com/wiki/ 手机版 http://topik.koreaxin.com/wiki/index.php?title=%E9%A6%96%E9%A1%B5&mobileaction=toggle_view_mobile

错误信息

Exception encountered, of type "Error" [Wb4bYWfgFiQABCYutfAAAAAB] /wiki/index.php?title=%E9%A6%96%E9%A1%B5&mobileaction=toggle_view_mobile Error from line 55 of /home/topikmpb/public_html/wiki/extensions/MobileFrontend/includes/models/MobilePage.php: Call to undefined method Revision::newKnownCurrent() Backtrace: #0 /home/topikmpb/public_html/wiki/extensions/MobileFrontend/includes/models/MobilePage.php(92): MobilePage->getRevision() #1 /home/topikmpb/public_html/wiki/extensions/MobileFrontend/includes/skins/SkinMinerva.php(724): MobilePage->getLatestEdit() #2 /home/topikmpb/public_html/wiki/extensions/MobileFrontend/includes/skins/SkinMinerva.php(830): SkinMinerva->getHistoryLink(Title) #3 /home/topikmpb/public_html/wiki/extensions/MobileFrontend/includes/skins/SkinMinerva.php(124): SkinMinerva->prepareHeaderAndFooter(MinervaTemplate) #4 /home/topikmpb/public_html/wiki/includes/skins/SkinTemplate.php(246): SkinMinerva->prepareQuickTemplate(OutputPage) #5 /home/topikmpb/public_html/wiki/includes/OutputPage.php(2327): SkinTemplate->outputPage() #6 /home/topikmpb/public_html/wiki/includes/MediaWiki.php(743): OutputPage->output() #7 /home/topikmpb/public_html/wiki/includes/MediaWiki.php(509): MediaWiki->main() #8 /home/topikmpb/public_html/wiki/index.php(43): MediaWiki->run() #9 {main}