I believe they have changed the command and the old on no longer works.
So if you have the old one in your Work Environment it won't be seen in the menu.
You need to update your old WE with the new command.
The "Save Selection As..." is a menu and the new commands are object, door, window and drawing title.
Barry.
One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11