ile "/usr/share/activities/TamTam.activity/Edit/MainWindow.py", line 899, in handleRewind
    self.displayPage( id )
  File "/usr/share/activities/TamTam.activity/Edit/MainWindow.py", line 1394, in displayPage
    self._displayPage( pageId, nextId )
  File "/usr/share/activities/TamTam.activity/Edit/MainWindow.py", line 1412, in _displayPage
    self.tuneInterface.displayPage( pageId )
  File "/usr/share/activities/TamTam.activity/Edit/TuneInterface.py", line 353, in displayPage
    ind = self.noteDB.getPageIndex( self.displayedPage )
  File "/usr/share/activities/TamTam.activity/Util/NoteDB.py", line 737, in getPageIndex
    return self.tune.index(page)
ValueError: list.index(x): x not in list