WebEngineView is not working on QDS

When WebEngineView is used in Qt6.x, the error message shows up as follows:

(It worked in Qt5.15)

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QQmlApplicationEngine failed to load component
file:///C:/Users/81808/Documents/UntitledProject2/content/App.qml:33:1: ライブラリ C:\Qt\Tools\QtDesignStudio\qt6_design_studio_reduced_version\qml\QtWebEngine\qtwebenginequickplugin.dll を読み込めません: 指定されたプロシージャが見つかりません。
QEventDispatcherWin32::wakeUp: Failed to post a message (ウィンドウ ハンドルが無効です。)
qml: Did not load any objects, exiting.
16:45:25: C:\Qt\Tools\QtDesignStudio\qt6_design_studio_reduced_version\bin\qml.exe exited with code 2

16:46:00: Starting C:\Qt\Tools\QtDesignStudio\qt6_design_studio_reduced_version\bin\qml.exe -I C:/Users/81808/Documents/UntitledProject2/imports -I C:/Users/81808/Documents/UntitledProject2/asset_imports --apptype widget C:/Users/81808/Documents/UntitledProject2/content/Screen01.ui.qml "-qmljsdebugger=file:C:/Users/81808/AppData/Local/Temp/QtDesignStudio-ERpSrW/qtc-socket.ElxpMB,block,services:QmlPreview,DebugTranslation"...
QML Debugger: Connecting to socket C:/Users/81808/AppData/Local/Temp/QtDesignStudio-ERpSrW/qtc-socket.ElxpMB...
QQmlApplicationEngine failed to load component
file:///C:/Users/81808/Documents/UntitledProject2/content/Screen01.ui.qml:25:9: WebEngineView is not a type
QEventDispatcherWin32::wakeUp: Failed to post a message (ウィンドウ ハンドルが無効です。)
qml: Did not load any objects, exiting.
16:46:01: C:\Qt\Tools\QtDesignStudio\qt6_design_studio_reduced_version\bin\qml.exe exited with code 2