The Scripting interface to Dictionaries is known to fail on attempts to create new keys (it does succeed with updating existing keys)
I don't know if this helps (re-routing through .doScript, which does work):
The Scripting interface to Dictionaries is known to fail on attempts to create new keys (it does succeed with updating existing keys)
I don't know if this helps (re-routing through .doScript, which does work):