Attempt to import the scene graph examples fails.

Error message below

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• (Import): Generating new project of scenegraph.pro file
  • • (qmake) : Working Directory: C:\Qt\Examples\Qt-5.15.1\quick\scenegraph
    • (qmake) : Arguments: QMAKE_INCDIR_QT=$(QTDIR)\include QMAKE_LIBDIR=$(QTDIR)\lib QMAKE_MOC=$(QTDIR)\bin\moc.exe QMAKE_QMAKE=$(QTDIR)\bin\qmake.exe -tp vc -recursive "scenegraph.pro"

— (qmake) : Using: C:\QT\5.15.1\MSVC2019_64\bin\qmake.exe
Reading C:/Qt/Examples/Qt-5.15.1/quick/scenegraph/graph/graph.pro
WARNING: Failure to find: graph_metatypes.json
WARNING: Failure to find: graph_metatypes.json
Reading C:/Qt/Examples/Qt-5.15.1/quick/scenegraph/simplematerial/simplematerial.pro
WARNING: Failure to find: simplematerial_metatypes.json
WARNING: Failure to find: simplematerial_metatypes.json
Reading C:/Qt/Examples/Qt-5.15.1/quick/scenegraph/sgengine/sgengine.pro
Reading C:/Qt/Examples/Qt-5.15.1/quick/scenegraph/fboitem/fboitem.pro
WARNING: Failure to find: fboitem_metatypes.json
WARNING: Failure to find: fboitem_metatypes.json
Reading C:/Qt/Examples/Qt-5.15.1/quick/scenegraph/openglunderqml/openglunderqml.pro
WARNING: Failure to find: openglunderqml_metatypes.json
WARNING: Failure to find: openglunderqml_metatypes.json
Reading C:/Qt/Examples/Qt-5.15.1/quick/scenegraph/textureinthread/textureinthread.pro
Project MESSAGE: This project is using private headers and will therefore be tied to this specific Qt module build version.
Project MESSAGE: Running this project against other versions of the Qt modules may crash at any arbitrary point.
Project MESSAGE: This is not a bug, but a result of using Qt internals. You have been warned!
WARNING: Failure to find: textureinthread_metatypes.json
WARNING: Failure to find: textureinthread_metatypes.json
Reading C:/Qt/Examples/Qt-5.15.1/quick/scenegraph/twotextureproviders/twotextureproviders.pro
WARNING: Failure to find: twotextureproviders_metatypes.json
WARNING: Failure to find: twotextureproviders_metatypes.json
Reading C:/Qt/Examples/Qt-5.15.1/quick/scenegraph/customgeometry/customgeometry.pro
WARNING: Failure to find: customgeometry_metatypes.json
WARNING: Failure to find: customgeometry_metatypes.json
Reading C:/Qt/Examples/Qt-5.15.1/quick/scenegraph/rendernode/rendernode.pro
WARNING: Failure to find: rendernode_metatypes.json
WARNING: Failure to find: rendernode_metatypes.json
Reading C:/Qt/Examples/Qt-5.15.1/quick/scenegraph/threadedanimation/threadedanimation.pro
WARNING: Failure to find: threadedanimation_metatypes.json
WARNING: Failure to find: threadedanimation_metatypes.json
Reading C:/Qt/Examples/Qt-5.15.1/quick/scenegraph/d3d11underqml/d3d11underqml.pro
WARNING: Failure to find: d3d11underqml_metatypes.json
WARNING: Failure to find: d3d11underqml_metatypes.json
Reading C:/Qt/Examples/Qt-5.15.1/quick/scenegraph/vulkanunderqml/vulkanunderqml.pro
WARNING: Failure to find: vulkanunderqml_metatypes.json
WARNING: Failure to find: vulkanunderqml_metatypes.json
Reading C:/Qt/Examples/Qt-5.15.1/quick/scenegraph/vulkantextureimport/vulkantextureimport.pro
WARNING: Failure to find: vulkantextureimport_metatypes.json
WARNING: Failure to find: vulkantextureimport_metatypes.json
Project MESSAGE: Running this project against other versions of the Qt modules may crash at any arbitrary point.
Project MESSAGE: This is not a bug, but a result of using Qt internals. You have been warned!
Project MESSAGE: This project is using private headers and will therefore be tied to this specific Qt module build version.