doors - control over sidelites lost (Sketchup 2020)

Hi there.

Since the upgrade to Sketchup 2020, Plusspec cannot correctly assign the side of the sidelite of a door any more.
I need a single glass panel to the right of the door!
Please help!

Refer to the attached images
sidelite side.JPG

On click :dc-interact: , changes the sidelite side. Simply click on the opening symbol at the base of the door after drawing