QML Profile fails to attach

The QML Profile consistently says "Could not connect to the in-process QML Profile within X s."

Compiled with flag QT_QML_DEBUG=1

Application started with:

-qmljsdebugger=port:3768,block

Application output:

QML debugging is enabled. Only use this in a safe environment.
QML Debugger: Waiting for connection on port 3768...

QtCreator Start QML Profiler Dialog:

QtCreator "General Messages"

Error reading "/home/jhuels/Qt/6.5.5/gcc_64/modules/Core.json": Could not determine target architecture
QML Profiler: Socket state changed to QAbstractSocket::HostLookupState
QML Profiler: Socket state changed to QAbstractSocket::ConnectingState
QML Profiler: Socket state changed to QAbstractSocket::UnconnectedState
QML Profiler: Error: QAbstractSocket::ConnectionRefusedError
QML Profiler: Debug connection failed.
QML Profiler: Socket state changed to QAbstractSocket::HostLookupState
QML Profiler: Socket state changed to QAbstractSocket::ConnectingState
QML Profiler: Socket state changed to QAbstractSocket::UnconnectedState
QML Profiler: Error: QAbstractSocket::ConnectionRefusedError
QML Profiler: Debug connection failed.
QML Profiler: Socket state changed to QAbstractSocket::HostLookupState
QML Profiler: Socket state changed to QAbstractSocket::ConnectingState
QML Profiler: Socket state changed to QAbstractSocket::UnconnectedState
QML Profiler: Error: QAbstractSocket::ConnectionRefusedError
QML Profiler: Debug connection failed.
...
Failed to connect.