Das scheint Absicht zu sein. ?
„It isn't a bug. It was a poor decision. This is how Wizarding Weekends are. They are designed so that you can get some of the rare foundables. They are designed so that you cannot prestige the page multiple times, so they always leave out one or two foundables.
Since their graphics showed the those found on the map, they chose to keep you from prestiging multiple times by making Knockturn Alley Sign the guaranteed fortress foundable. In order to do that for weekend events in the past, they changed the other two to Emergency foundables. This is how it has been done up to this point and this is how it will likely continue to be done.
Usually, if people want to prestige twice, they make sure that they have the unavailable foundables already collected by the start of the event. OrangeWizard included the incorrect info in their Graphics and Discord managers announced the info based on the graphics, so it led to a lot of confusion and poor planning. As these people don't directly work for Niantic, Portkey, or WB; the responsibility for the false information does not fall on to the HPWU team. So, there will be no changes to the event.“
Quelle:
October Wizarding Weekend