Install libqapt3-runtime by entering the following commands in the terminal:
sudo apt update sudo apt install libqapt3-runtime
Runtime components for the QApt library
LibQApt is a Qt wrapper around the libapt-pkg library as well as an APT implementation using libapt-pkg. The aim is to provide a sane API for package management to ease the development of package managers written in Qt and C++ . This package contains the runtime components necessary for applications using the QApt library to run.