Answer
Those layers were not truly cached for offline use. Download or export the required data and verify it offline before travelling to the site.
Explanation
Offline testing exposes dependencies while there is still time to fix them.
Drone exam · Navigation, charts, and mission data
Those layers were not truly cached for offline use. Download or export the required data and verify it offline before travelling to the site.
Offline testing exposes dependencies while there is still time to fix them.