I'm running this in folder with main.qml qmlscene main.qml qmlscene: could not find a Qt installation of ''
Then I checked
qtchooser -list-versions
4
5
qt4-x86_64-linux-gnu
qt4
qt5-x86_64-linux-gnu
qt5
and try
sudo qmlscene -qt=qt5-x86_64_linux-gnu main.qml
qmlscene: could not find a Qt installation of 'qt5-x86_64_linux-gnu'
