Install libqt5webchannel5 by entering the following commands in the terminal:
sudo apt update sudo apt install libqt5webchannel5
Description:
Web communication library for Qt
Qt WebChannel enables peer-to-peer communication between the host (QML/C++ application) and the client (HTML/JavaScript application). The transport mechanism is supported out of the box by the two popular web engines, Qt WebKit 2 and Qt WebEngine (experimental). . This package contains the QtWebChannel libraries.
Homepage: https://doc.qt.io/qt-5/qtwebchannel-index.html
Version: 5.9.5-0ubuntu1
Section: universe/libs