Thread:Project:Support desk/Fatal error: Call to a member function addWikiMsg() on a non-object in /home/username/public html/wiki/includes/specials/SpecialLinkSearch.php on line 82/reply (11)

I mean you publically posted them. It doesn't really matter what they are, but they should be secret (think of them like a password) or else people can do evil things to your wiki. You should be able to change them directly in your LocalSettings.php