not possible to delete any photo :
"digikam could not start process unable to create io-slave klauncher said unknown protocole 'trash'"
KDE installation broken or uncomplete. It's a distro problem : KDE Kioslave are not available
Distro problems should be close as "Downstream".
This problem is not reproducible since 5.0.0 as all digiKam KIO slave was replaced by a multithreaded interface to play with database