QML module not found

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QML The file appears QML module not found (QtQuick.Controls). And so on , Pictured

terms of settlement ： This is usually due to QML_IMPORT_PATH It's not set up . Add in the system environment variable of the computer or directly in the project pro Add... To the file , As shown below .

win32{
      # If it is windows
    msvc{
    
         QMAKE_CXXFLAGS += /MP
         QML_IMPORT_PATH =  D:/Qt/Qt5.12.8/5.12.8/msvc2017/qml    # Fill in your corresponding path here 
    }
    else{
       # If it is mingw
        QML_IMPORT_PATH = D:/Qt/Qt5.12.8/5.12.8/mingw73_32/qml    # Fill in your corresponding path here 
    }
}

If it still hasn't been solved , Check whether the project you open in the path uses another path QML_IMPORT_PATH.