qt creator compilation error with instruction <QtQuickWidgets/QQuickWidget>
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Good morning.
Unfortunately I do not speak English, sorry (I translated this message with the google translator).
In a trivial mainwindow.h generated automatically with qt creator, as soon as I insert the #include <QtQuickWidgets/QQuickWidget> statement, the compilation crashes with the following messages. How can I fix it? Thank you.

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Good morning.
Unfortunately I do not speak English, sorry (I translated this message with the google translator).
In a trivial mainwindow.h generated automatically with qt creator, as soon as I insert the #include <QtQuickWidgets/QQuickWidget> statement, the compilation crashes with the following messages. How can I fix it? Thank you.

@bvox123
addQT += quickwidgetsto your .pro file.
Don't forget to rerun qmake.