SUMMARY *** NOTE: If you are reporting a crash, please try to attach a backtrace with debug symbols. See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports *** STEPS TO REPRODUCE 1. Select images and Open Geolocalisation / détail panel. 2. Try to drag/drop images to the map to set its coordinates 3. OBSERVED RESULT A small «forbiden» icon is displayed, and the coordinates are not set EXPECTED RESULT The image takes the coordinates of the point in the map, and a small icon of the image is displayed on the map SOFTWARE/OS VERSIONS Linux/KDE Plasma: ADDITIONAL INFORMATION
I assume you are using an Ubuntu/Gnome desktop. This is a known bug in Gnome that has already been fixed. However, according to Ubuntu users, the bug fix has not yet arrived in the distribution. See Bug 469961 Maik
Fixed with 469961