QCoreApplication::postEvent: Unexpected null receiver

When triggering the static QSound::play() from QML multiple times before the previous sound has completed, the console will show the following output: "QCoreApplication::postEvent: Unexpected null receiver" It might be similar to QTBUG-66754.

The attached application demonstrates the behavior. After starting the application click on the white surface multiple times with a one second or less gap between two clicks.