MotionBuilder 2024 - invalid syntax

[4698to]

Traceback (most recent call last):
  File "D:\Program Files\Autodesk\MotionBuilder 2024\bin\config\PythonStartup\MBFileRefAdvanced.py", line 16, in <module>
    from PySide2 import QtWidgets, shiboken2
ImportError: cannot import name 'shiboken2' from 'PySide2' (D:\Program Files\Autodesk\MotionBuilder 2024\bin\x64\python\site-packages\PySide2\__init__.py)

File "D:\Program Files\Autodesk\MotionBuilder 2024\bin\config\PythonStartup\MBFileRefAdvanced\ReferencingSample.py", line 179
    if self.mSys.Scene.NamespaceGet( lName + str(lCount+1) ) <> None:

[Neill3d]

Traceback (most recent call last):
  File "D:\Program Files\Autodesk\MotionBuilder 2024\bin\config\PythonStartup\MBFileRefAdvanced.py", line 16, in <module>
    from PySide2 import QtWidgets, shiboken2
ImportError: cannot import name 'shiboken2' from 'PySide2' (D:\Program Files\Autodesk\MotionBuilder 2024\bin\x64\python\site-packages\PySide2\__init__.py)

File "D:\Program Files\Autodesk\MotionBuilder 2024\bin\config\PythonStartup\MBFileRefAdvanced\ReferencingSample.py", line 179
    if self.mSys.Scene.NamespaceGet( lName + str(lCount+1) ) <> None:

The scripts are not updated to recent libraries that MotionBuilder 2024+ is using.
All you have to do is to rename all PySide2 calls with PySide6
In additional, PySide2.QtWidgets.QAction is now PySide6.QtGui.QAction
These tips are shared by Henri Zaitoun (Les Androids Associés)