I don’t know if this will help anyone now, but I had a very similar bug and I tracked it down to one line in the project’s DefaultEngine.ini file:
r.ClearSceneMethod=2
I changed it to 1 and the issue is fixed.
I don’t know if this will help anyone now, but I had a very similar bug and I tracked it down to one line in the project’s DefaultEngine.ini file:
r.ClearSceneMethod=2
I changed it to 1 and the issue is fixed.