module ":.QtWayland.Compositor" plugin "qwaylandcompositorplugin" not found

/usr/share/examples/wayland/pure-qml/pure-qml

Found metadata in lib /usr/lib/qml/QtWayland/Compositor/libqwaylandcompositorplugin.so, metadata=
{
    "IID": "org.qt-project.Qt.QQmlExtensionInterface/1.0",
    "MetaData": {
    },
    "className": "QWaylandCompositorPlugin",
    "debug": false,
    "uri": [
        "QtWayland.Compositor"
    ],
    "version": 330240
}


loaded library "/usr/lib/qml/QtWayland/Compositor/libqwaylandcompositorplugin.so"
QQmlApplicationEngine failed to load component
qrc:///qml/main.qml:59 Type Screen unavailable
qrc:///qml/Screen.qml:84 Type WaylandCursorItem unavailable
file::/QtWayland/Compositor/qmldir:-1 module ":.QtWayland.Compositor" plugin "qwaylandcompositorplugin" not found