Hi from some days, after QT update (QT 5.15) the QgroundControl not show the UI. When i try to launch I get this errors
qrc:/qml/MainRootWindow.qml:25:1: Type ApplicationWindow unavailable
file:///usr/lib/qt/qml/QtQuick/Controls.2/qmldir: plugin cannot be loaded for module "QtQuick.Controls": Cannot install type 'VerticalHeaderView' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'HorizontalHeaderView' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install element 'SplitHandle' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'SplitView' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install element 'Overlay' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'MenuBarItem' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'MenuBar' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'ActionGroup' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'Action' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'ScrollView' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'DelayButton' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'ToolSeparator' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'RoundButton' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'MenuSeparator' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'DialogButtonBox' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'Dialog' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'Tumbler' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'ToolTip' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'ToolButton' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'ToolBar' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'TextField' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'TextArea' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'TabButton' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'TabBar' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'SwitchDelegate' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'Switch' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'SwipeView' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'SwipeDelegate' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'StackView' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'SpinBox' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'Slider' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'ScrollIndicator' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'ScrollBar' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'RangeSlider' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'RadioDelegate' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'RadioButton' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'ProgressBar' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'Popup' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'Pane' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'PageIndicator' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'Page' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'MenuItem' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'Menu' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'Label' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'ItemDelegate' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'GroupBox' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'Frame' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'Drawer' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'Dial' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'Control' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'Container' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'ComboBox' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'CheckDelegate' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'CheckBox' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'ButtonGroup' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'Button' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'BusyIndicator' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'ApplicationWindow' into protected module 'QtQuick.Controls' version '2'
<Unknown File>: Cannot install type 'AbstractButton' into protected module 'QtQuick.Controls' version '2'
qt.positioning.geoclue2: Unable to obtain the client patch: "org.freedesktop.DBus.Error.ServiceUnknownThe name org.freedesktop.GeoClue2 was not provided by any .service files"
I’m not sure if is a qgroundcontrol problems or qt but other qt applications work without problems