Board Thread:Support Requests - Getting Technical/@comment-24814805-20150829044005/@comment-25428589-20150901144645

Ysbert wrote: I'm sorry, I was wrong. The page I was able to edit was MediaWiki:Licenses. No need to apologise :) I thought something like that might've been the case.

For reference, there's a list of whitelisted pages at Help:System messages/whitelist.