It sounds like photos were taken using your device’s camera app, those photos were then added to placemarks in Avenza Maps and then the photos were deleted from your Gallery, breaking the links to them. Your problem will require some further investigation so please contact us through help.avenzamaps.com.
If you could please include the following information;
– The version of Avenza Maps that you are using (found at the top of the Avenza Maps Settings page)
– Would you please be able to step out your exact workflow so I can repeat your steps if necessary?
– Did you take the pictures within the Avenza Maps app or with your phone camera and then add those images to placemarks in Avenza Maps afterwards?
Each type of Android device may be different but if your photos were taken inside of Avenza Maps, your photos may be stored in an internal folder with a File path similar to this one;
My Files > Internal Storage > Pictures > AvenzaMapsPhotos
Images can exist here without being in the native gallery app.
Avenza Systems Inc