Garmin automotive device displays the message "No Detailed Maps Found"

Garmin automotive device displays the message "No Detailed Maps Found" What should I do if my Garmin automotive device displays the message "No Detailed Maps Found That Support Routing" or "No Map Data Available?"
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bert [Entry]

I reinstalled the device on the Garmin Express as per the following video https://www.youtube.com/watch?v=bshGsaVO...