[ghostx]

I got this error while I setup

NameError: global name 'invMat' is not defined
Traceback (most recent call last):
  File "C:\Program Files\WorldViz\Vizard5\python\vizact.py", line 3183, in _callGroup
    val = e.call(arg)
  File "C:\Program Files\WorldViz\Vizard5\python\vizact.py", line 2949, in _callStatic
    return func(*args,**kwargs)
  File "C:\Program Files\WorldViz\Vizard5\python\transportation\__init__.py", line 66, in onUpdate
    self._updateFunction(self)
  File "C:\Program Files\WorldViz\Vizard5\bin\lib\contextlib.py", line 24, in __exit__
    self.gen.next()
  File "C:\Program Files\WorldViz\Vizard5\python\transportation\__init__.py", line 60, in deferred
    self.finalize()
  File "C:\Program Files\WorldViz\Vizard5\python\transportation\orientation.py", line 117, in finalize
    localVp = invMat.preMultVec(self._Vp)