somehow I managed to rotate section view and I can't undo it. Apparently when I clicked from section view to another view I clicked "side view" a bit too fast (before contents of properties changed). I think both views were overlapping and it multiselected to both.
Is there a way to change view of section view to fix the problem? There are couple of hours lost because of this...
also the question is why GUI is a limiter for this forbidden command instead of command itself.