Zumo User Forums

Thanks for all the comments.

In fact I managed to fix the issue for the latest European map by:

1) downloading the City Navigator Europe NTU map 2021.1 map to my PC again using Garmin Express
2) importing the unlock key for the map into Basecamp from the D6210120A.gma file which was on the Zumo 590.

This seems to work - I can now run Basecamp (4.7.2) with no errors for the Europe map, and without the need to connect the Zumo or the SD card I had copied the Zumo map to.

Glad it's working but step 2 really shouldn't be needed, Express/MapUpdater has always downloaded the map ready to go for me in over 10 years of use. Wonder why it was necessary in your case, but suspect we'll never know

Could hiding behind a firewall stop the maps activating?

Just clutching at straws here