1. make grouped 3D scatters plot

2. open PD dialog, go to group tab, click browser button of symbol type

3. save one customized increment list, close all the dialogs

4. open Theme Organizer, go to system increment lists tab

5. click 3D symbol shape list
   --> there is the customized increment list saved by the above steps

6. select it
   ==> not loaded

Fixed in Origin2022b.