I want to when click on button "Add" will go to "AddPage.qml".Please help me. QQmlApplicationEngine failed to load component

qrc:/qt/qml/eManager/Main.qml:12:22: Type InfoPage unavailable qrc:/qt/qml/eManager/InfoPage.qml:6:31: Invalid alias reference. Unable to find id "stackview"

Main.qml import QtQuick 2.15 import QtQuick.Controls 2.15

ApplicationWindow { width: 650 height: 480 visible: true title: "Employee List"

StackView {
    id: stackview
    initialItem: InfoPage { stackView: stackview } // Truyền stackView vào InfoPage
    anchors.fill: parent
}

}

InfoPage.qml import QtQuick 2.15 import QtQuick.Controls 2.15

Rectangle{ id: root property alias stackView: stackview width: 450 height: 400 border.color: "black" border.width: 2 x: 100 Text { text: ("EMPLOYEE LIST") font.pixelSize: 25 font.family: "arial" font.bold: true x: 25 y: 10 }

Rectangle{
    id: addButton
    width: 70
    height: 30
    color: "lightgrey"
    x:340
    y: 10
    Text {
        id: addText
        text: ("Add")
        anchors.centerIn: parent
        color:"black"
    }
    border.color: "black"
    border.width: 2
    radius: 3
    MouseArea{
        anchors.fill: parent
        onClicked: {
            stackview.push("AddPage.qml")
        }

        onPressed: {
            addButton.color = "black"
            addText.color = "white"
        }
        onReleased: {
            addButton.color = "lightgrey"
            addText.color = "black"
        }
    }
}

ListModel {
    id: employeeModel
    ListElement { no: 1; name: "Nguyen Thanh Tai"; bu: "GPE.EDS" }
    ListElement { no: 2; name: "Jane Smith"; bu: "GPE.EDS" }
    ListElement { no: 3; name: "Michael Johnson"; bu: "GPE.EDS" }
    ListElement { no: 4; name: "Michael Johnson"; bu: "GPE.EDS" }
}
Column {
    x:25
    y:50

    // Tiêu đề bảng
    Row {
        spacing: 0
        Rectangle {
            width: 50
            height: 30
            color: "#CCCCCC"
            border.color: "#000000"
            Text { anchors.centerIn: parent; text: "No"; font.bold: true }
        }
        Rectangle {
            width: 150
            height: 30
            color: "#CCCCCC"
            border.color: "#000000"
            Text { anchors.centerIn: parent; text: "Name"; font.bold: true }
        }
        Rectangle {
            width: 100
            height: 30
            color: "#CCCCCC"
            border.color: "#000000"
            Text { anchors.centerIn: parent; text: "Bussines Unit"; font.bold: true }
        }
        Rectangle {
            width: 100
            height: 30
            color: "#CCCCCC"
            border.color: "#000000"
            Text { anchors.centerIn: parent; text: "Options"; font.bold: true }
        }
    }

    // Hiển thị dữ liệu
    Repeater {
        model: employeeModel
        Row {
            spacing: 0
            Rectangle {
                width: 50
                height: 30
                border.color: "#000000"
                Text { anchors.centerIn: parent; text: model.no }
            }
            Rectangle {
                width: 150
                height: 30
                border.color: "#000000"
                Text { anchors.centerIn: parent; text: model.name }
            }
            Rectangle {
                width: 100
                height: 30
                border.color: "#000000"
                Text { anchors.centerIn: parent; text: model.bu }
            }
            Rectangle {
                id: b
                width: 100
                height: 30
                border.color: "#000000"
                Row{
                    //anchors.fill: parent
                    //anchors.margins: 10
                    anchors.centerIn: parent
                    spacing: 20
                    Button{
                        id: editButton
                        width: 20
                        height: 20
                        Image {
                            source: "icon_edit.png"
                            anchors.fill: parent
                        }
                    }
                    Button {
                        id: removeButton
                        width: 20
                        height: 20
                        Image {
                            source: "icon_remove.png"
                            anchors.fill: parent
                        }
                    }
                }
            }
        }
    }
}

}

AddPage.qml import QtQuick 2.15 import QtQuick.Controls 2.15

Rectangle{ id: root width: 450 height: 400 border.color: "black" border.width: 2 x: 100 TextField:{ width: 200 height: 30 } Button { text: "Cancel" anchors.horizontalCenter: parent.horizontalCenter anchors.bottom: parent.bottom anchors.bottomMargin: 20 onClicked: { stackview.pop() } } }