I'm fairly certain that that's indeed a thread that you (Faded) wouldn't be able to view. Quite a funny sight in my opinion.
This defently is a staff thing. I also used to get this on my own profile when I was on the Build Team forums all the time. When you do not have access to the thread that is linked, the link gets deleted from your vieuw, but, as the link also is the name of the thread, it also deletes the name. This is probably a good thing, as buildteam forum thread have names as "Halloween build: Miranda Castle," which would have been a huge giveaway to what the build ended up looking like. Here is a comparisont if you're interested: (Tthis shot was made roughly a week into the biulding process. A lot is still very rough)