qt.qpa.plugin: Could not find the Qt platform plugin "windows" in ""
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Trying to start a Qml/C++ application in debugger with Qt 5.14.1 MinGW 64 bit
The console output shows:
QML debugging is enabled. Only use this in a safe environment. qt.qpa.plugin: Could not find the Qt platform plugin "windows" in "" This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.and I see in Qt creator this nessage box

It is on Windows 10 64 bit with latest Qt creator V4.11.1.
Any idea what the cause could be?