Saw this problem occur again yesterday (March 15);
Revit 2023.1.1
Enscape 3.4.3
Seemed to be when loading a family into a Revit model, while Enscape window is open.
Actions taken: updated Enscape 3.4.4, restarted computer.
So far, it has not occurred again yet. But this is the same process we took last time (update Enscape, restart computer), and the problem was not really fixed.