Exception encountered, of type "Error"
[3912f125] /wiki/index.php?title=Special:UserMerge Error from line 23 of /home/setswana/www.setswana.info/wiki/extensions/UserMerge/UserMerge_body.php: Call to undefined function wfLoadExtensionMessages()
Backtrace:
#0 /home/setswana/www.setswana.info/wiki/includes/specialpage/SpecialPage.php(384): UserMerge->execute(NULL)
#1 /home/setswana/www.setswana.info/wiki/includes/specialpage/SpecialPageFactory.php(553): SpecialPage->run(NULL)
#2 /home/setswana/www.setswana.info/wiki/includes/MediaWiki.php(249): SpecialPageFactory::executePath(Title, RequestContext)
#3 /home/setswana/www.setswana.info/wiki/includes/MediaWiki.php(682): MediaWiki->performRequest()
#4 /home/setswana/www.setswana.info/wiki/includes/MediaWiki.php(476): MediaWiki->main()
#5 /home/setswana/www.setswana.info/wiki/index.php(41): MediaWiki->run()
#6 {main}