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error: Unknown module(s) in QT: bluetooth multimedia quick multimediawidgets



  • I have installed Qt 5.14.0 through installer in ubuntu 18.04. Now I have downloaded code of Qt 5.14.2. I have compiled it and installed it. So I have installed two versions of Qt. First is installed through installer. Second Version of Qt is installed after compiling the code.

    Now, I want to compile my project code through the Qt 5.14.2.

    So I choose Qt 5.14.2 in Qt kits in the Qt Creator. When I am trying to qmake my program through QtCreator, It shows following error:

    error: Unknown module(s) in QT: bluetooth multimedia quick multimediawidgets

    Also, I have created a new sample project to test it can be compiled or not. I found that it is not compiling and it is showing following output in Application Output area:

    qt.qpa.plugin: Could not find the Qt platform plugin "xcb" in ""
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

    Available platform plugins are: linuxfb, minimal, offscreen, vnc.

    Please help me. Thanx in advance.


  • Lifetime Qt Champion

    Hi,

    What exactly did you download ?

    How did you compile Qt ?
    With what parameters ?



  • @SGaist I have edited my post. It may help to give better understanding.


  • Lifetime Qt Champion

    Are you sure you built all these modules ?


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