Run time warnings from coffee demo

11:32:16: Starte C:\Qt\Examples\Qt-6.7.0\demos\coffee\build\Desktop_Qt_6_7_0_MSVC2019_64bit-Release\coffeemachine.exe...
qrc:/qt-project.org/imports/QtQuick/Controls/Windows/Button.qml:27:9: TypeError: Cannot read property 'height' of null
qrc:/qt-project.org/imports/QtQuick/Controls/Windows/Button.qml:26:9: TypeError: Cannot read property 'width' of null
qrc:/qt-project.org/imports/QtQuick/Controls/Windows/Button.qml:25:9: TypeError: Cannot read property 'y' of null
qrc:/qt-project.org/imports/QtQuick/Controls/Windows/Button.qml:24:9: TypeError: Cannot read property 'x' of null
qrc:/qt-project.org/imports/QtQuick/Controls/Windows/Button.qml:27:9: TypeError: Cannot read property 'height' of null
qrc:/qt-project.org/imports/QtQuick/Controls/Windows/Button.qml:26:9: TypeError: Cannot read property 'width' of null
qrc:/qt-project.org/imports/QtQuick/Controls/Windows/Button.qml:25:9: TypeError: Cannot read property 'y' of null
qrc:/qt-project.org/imports/QtQuick/Controls/Windows/Button.qml:24:9: TypeError: Cannot read property 'x' of null
qrc:/qt/qml/demos/coffee/CustomSliderForm.ui.qml:48:13: QML QQuickRectangle: The current style does not support customization of this control (property: "handle" item: QQuickRectangle(0x15d76520b10, parent=0x0, geometry=0,0 14x0)). Please customize a non-native style (such as Basic, Fusion, Material, etc). For more information, see: https://doc.qt.io/qt-6/qtquickcontrols2-customize.html#customization-reference
qrc:/qt/qml/demos/coffee/CustomSliderForm.ui.qml:32:17: QML QQuickRectangle: The current style does not support customization of this control (property: "background" item: QQuickRectangle(0x15d76522d30, parent=0x0, geometry=0,0 0x4)). Please customize a non-native style (such as Basic, Fusion, Material, etc). For more information, see: https://doc.qt.io/qt-6/qtquickcontrols2-customize.html#customization-reference
qrc:/qt/qml/demos/coffee/CustomSliderForm.ui.qml:48:13: QML QQuickRectangle: The current style does not support customization of this control (property: "handle" item: QQuickRectangle(0x15d76522630, parent=0x0, geometry=0,0 14x0)). Please customize a non-native style (such as Basic, Fusion, Material, etc). For more information, see: https://doc.qt.io/qt-6/qtquickcontrols2-customize.html#customization-reference
qrc:/qt/qml/demos/coffee/CustomSliderForm.ui.qml:32:17: QML QQuickRectangle: The current style does not support customization of this control (property: "background" item: QQuickRectangle(0x15d765206b0, parent=0x0, geometry=0,0 0x4)). Please customize a non-native style (such as Basic, Fusion, Material, etc). For more information, see: https://doc.qt.io/qt-6/qtquickcontrols2-customize.html#customization-reference
qrc:/qt/qml/demos/coffee/CustomSliderForm.ui.qml:48:13: QML QQuickRectangle: The current style does not support customization of this control (property: "handle" item: QQuickRectangle(0x15d76523c10, parent=0x0, geometry=0,0 14x0)). Please customize a non-native style (such as Basic, Fusion, Material, etc). For more information, see: https://doc.qt.io/qt-6/qtquickcontrols2-customize.html#customization-reference
qrc:/qt/qml/demos/coffee/CustomSliderForm.ui.qml:32:17: QML QQuickRectangle: The current style does not support customization of this control (property: "background" item: QQuickRectangle(0x15d76524310, parent=0x0, geometry=0,0 0x4)). Please customize a non-native style (such as Basic, Fusion, Material, etc). For more information, see: https://doc.qt.io/qt-6/qtquickcontrols2-customize.html#customization-reference
qrc:/qt/qml/demos/coffee/SettingsForm.ui.qml:300:41: QML QQuickRectangle: The current style does not support customization of this control (property: "handle" item: QQuickRectangle(0x15d7651cb30, parent=0x0, geometry=0,0 14x0)). Please customize a non-native style (such as Basic, Fusion, Material, etc). For more information, see: https://doc.qt.io/qt-6/qtquickcontrols2-customize.html#customization-reference
qrc:/qt/qml/demos/coffee/SettingsForm.ui.qml:254:45: QML QQuickRectangle: The current style does not support customization of this control (property: "background" item: QQuickRectangle(0x15d7651ee30, parent=0x0, geometry=0,0 0x4)). Please customize a non-native style (such as Basic, Fusion, Material, etc). For more information, see: https://doc.qt.io/qt-6/qtquickcontrols2-customize.html#customization-reference