1.active worksheet and select XYY 3D 100% Stacked Bars from toolbar
2.active worksheet and select XYY 3D 100% Stacked Bars from Plot menu
3.Open Plot menu again
==> 1. there are two entry in recently used category for XYY 3D 100% Stacked Bars
       2. the 1st one use a wrong icon(the one added by toolbar)
Fixed in Origin2019b.