I had a couple of "view table" windows open, and in my rush to shift-click-close them all, I must have shift-doubleclicked one. This resulted in an "Unexpected error." that I can recreate any time.
Plain old SQL windows do not appear to have this problem, although they close a lot quicker as well.
Plain old SQL windows do not appear to have this problem, although they close a lot quicker as well.