the chosen recent dock contains a toolbox please close the currently open toolbox and try again
I've got gimp open (on KDE) and there is the main window, no other gimp windows. I want the toolbox so I try ctrl-B - nothing. So I go for recently closed docs: toolbox and this gives me "the chosen recent dock contains a toolbox please close the currently open toolbox and try again".
This message make sense and I still have no toolbox.
Strangely right-click:toolbox options appears to summon the toolbox but this make no sense either.