My map is apparently empty, even though the file size is 4879 kB

RatsInYourWalls

L3: Member
Jun 20, 2020
144
35
So when I open my map in hammer, the entire map is empty, the file size hasn’t changed, the other maps seem to load just fine. I am really confused and worried right now.

The VisGroups tab is also empty for some reason. I also can’t unhide objects. But I can add new entities and brushes