Internal error

[62f291975e36a7ef174abaea] /mw/index.php?title=Special:ManPage/page:nmblookup&printable=yes Error from line 14 of /home/htyp/site/git/ferreteria/mw/specialpage.php: Call to undefined method SpecialManPage::getTitle()

Backtrace:

#0 /home/htyp/site/mw/mediawiki-1.35.0/includes/specialpage/SpecialPage.php(600): SpecialManPage->execute()
#1 /home/htyp/site/mw/mediawiki-1.35.0/includes/specialpage/SpecialPageFactory.php(635): SpecialPage->run()
#2 /home/htyp/site/mw/mediawiki-1.35.0/includes/MediaWiki.php(307): MediaWiki\SpecialPage\SpecialPageFactory->executePath()
#3 /home/htyp/site/mw/mediawiki-1.35.0/includes/MediaWiki.php(940): MediaWiki->performRequest()
#4 /home/htyp/site/mw/mediawiki-1.35.0/includes/MediaWiki.php(543): MediaWiki->main()
#5 /home/htyp/site/mw/mediawiki-1.35.0/index.php(53): MediaWiki->run()
#6 /home/htyp/site/mw/mediawiki-1.35.0/index.php(46): wfIndexMain()
#7 {main}