QML PieMenu creation error

[MarkoSan]

I've managed to solve the problem. I've included:

import QtQuick.Controls 2.3

import QtQuick.Controls 2.3

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instead of

import QtQuick.Controls 1.4

import QtQuick.Controls 1.4

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It works now, however, can someone explain me these import "versions". Why higher version does not support MenuItem and lower does?