User blog comment:MisterWoodhouse/Introducing Affiliate Marketing/@comment-27152473-20200919012053/@comment-43622785-20200919032152

This is the notification every wiki you visit will be:

''Our database will be briefly locked for maintenance within a few days. For a short time, you'll be unable to publish Discussions posts, wall messages and article comments, but you will still be able to read any existing ones.''

It'll likely be something to do with the system running it.