Install qml-module-qtquick-controls2 by entering the following commands in the terminal:
sudo apt update sudo apt install qml-module-qtquick-controls2
Description:
Qt 5 Qt Quick Controls 2 QML module
Qt is a cross-platform C++ application framework. Qt's primary feature is its rich set of widgets that provide standard GUI functionality. . This package contains the Qt Quick Controls 2 QML module.
Homepage: https://code.qt.io/cgit/qt/qtquickcontrols2.git
Version: 5.9.5-0ubuntu2
Section: universe/libs