I use SSL on my website, so when I edit the order on admin side, the map is not displayed. On checking the console, it says
The page at ‘https://www.mydomain.com/wp-admin/post.php?post=1234&action=edit’ was loaded over HTTPS, but requested an insecure script ‘http://maps.google.com/maps/api/js?key=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX&sensor=false&v=3.exp&ver=4.7’. This request has been blocked; the content must be served over HTTPS
So I changed ‘http://maps.google.com/…’ to ‘https://maps.google.com/…’ in admin/classes/nw-location-picker-admin.class.php on line 118 in nw_location_picker_admin_scripts() method and it worked perfectly.
So please fix it in next update