Something within the site’s configuration , another plugin, the theme, I don’t know for sure, was absolutely preventing that Google Maps API from being loaded in the site’s footer.
I then had to modify the cMap to enqueue the the API in the site’s header.
It now works fine. However, the API is now loaded on every page rather than just when needed for Connections. Generally that’s the avenue other plugins take any way so there’s no real harm.