The functionality of importing maps from Google Maps is only possible by enabling the API, and Google has made it paid for a few years. Alternatively, maps can be imported from OpenStreetMap. You can see the import process in the following video:
We attach the Datakustik technical note explaining how to work with the Google Maps API.
Note:
If the CadnaA version includes it, it is recommended to opt for Open Street Maps for the importation of free maps.