Program crashed in Qt6.5.3 when using TextField component.

//Main.qml
import QtQuick
import QtQuick.Controls
Window {
    id: root
    width: 640
    height: 480
    visible: true   
      title: qsTr("Hello World")
    color: KeyBoardInfo.keyBoardInfoVisible ? "red" : "green"
    TextField{
        onFocusChanged: {
            KeyBoardInfo.keyBoardInfoVisible = false;
            KeyBoardInfo.xxxsignal();
        }
    }
}

//KeyBoardInfo.qml
pragma Singleton
import QtQuick 6.5
QtObject {
    signal xxxsignal();
    property bool keyBoardInfoVisible: true
}