As you were, restarted ArchiCAD and all is well.
update....
It's not working again!! I set one complex profile up with vertical stretch where I wanted it, then I duplicated it, when I tried to edit the new Profile the stretch handles disappeared plus I also noticed the eyeball icon and tick box now do not respond.
AC versions 3.41 to 25 (UKI Full 5005).
Using AC25 5005 UKI FULL
Mac OSX 10.15.7 (19G2021) Mac Pro-2013 32gbRam AMD FirePro D500 3072 MB graphics