Originally Posted by Unregistered

Maybe it's fixed by some ingame action, like when nation maps were broken until the daily quest was completed.

Wow, you may be right, that must be it. Infuriating, if so. Somehow "not working except if I can guess which random thing or sequence of things to do, with no help at all, out of infinite combinations" is even more annoying than just plain "not working", which is already plenty annoying enough.