Erro interno

[03925a9ae3e186e0f74873a8] /mysolutions/wiki/index.php?title=Especial%3AOAuth2Client Error from line 145 of /afs/ist.utl.pt/groups/mysolutions/web/wiki/extensions/MW-OAuth2Client/SpecialOAuth2Client.php: Call to undefined method SpecialOAuth2Client::getTitle()

Backtrace:

#0 /afs/ist.utl.pt/groups/mysolutions/web/wiki/extensions/MW-OAuth2Client/SpecialOAuth2Client.php(69): SpecialOAuth2Client->_default()
#1 /afs/ist.utl.pt/groups/mysolutions/web/wiki/includes/specialpage/SpecialPage.php(600): SpecialOAuth2Client->execute()
#2 /afs/ist.utl.pt/groups/mysolutions/web/wiki/includes/specialpage/SpecialPageFactory.php(635): SpecialPage->run()
#3 /afs/ist.utl.pt/groups/mysolutions/web/wiki/includes/MediaWiki.php(307): MediaWiki\SpecialPage\SpecialPageFactory->executePath()
#4 /afs/ist.utl.pt/groups/mysolutions/web/wiki/includes/MediaWiki.php(940): MediaWiki->performRequest()
#5 /afs/ist.utl.pt/groups/mysolutions/web/wiki/includes/MediaWiki.php(543): MediaWiki->main()
#6 /afs/ist.utl.pt/groups/mysolutions/web/wiki/index.php(53): MediaWiki->run()
#7 /afs/ist.utl.pt/groups/mysolutions/web/wiki/index.php(46): wfIndexMain()
#8 {main}