Install libqt5core5a by entering the following commands in the terminal:
sudo apt update sudo apt install libqt5core5a
Description:
Qt 5 core module
Qt is a cross-platform C++ application framework. Qt's primary feature is its rich set of widgets that provide standard GUI functionality. . The QtCore module contains core non-GUI functionality.
Homepage: http://qt-project.org/
Version: 5.9.5+dfsg-0ubuntu1
Section: libs