Thread:Support/About MediaWiki:Changecontentmodel-title-cantexist/en/reply (2)

Understood.

Would it not be clearer to say something like: "You cannot create special pages [in the usual way. You would have to do so by programming | adding program code to MediaWiki | supply an mw:Manual:Extensions to mediawiki | ... ]"

Or: "Page creation is not possible in the "Special" name space."