Board Thread:Support Requests - Getting Started/@comment-33550208-20181225135930/@comment-1038387-20181227231738

Yep, interwiki link. I don't think you can do much about it, though you could ask staff at Special:Contact/general if they'd be willing to disable that particular interwiki. Don't know if that can be done. If not, you have to reconsider page name systems, as this faux namespace can't be used.