Install libqt5xdgiconloader3 by entering the following commands in the terminal:
sudo apt update sudo apt install libqt5xdgiconloader3
Description:
Implementation of the XDG Iconloader for Qt (shared lib)
This library implements the backend to load icons which are handled according to the XDG Icon Theme Specification in Qt. It is part of LXQt. . This package provides the shared library.
Homepage: https://github.com/lxde/libqtxdg
Version: 3.1.0-5build2
Section: universe/libs