Traceback on creating a new layer



  • A traceback on creating a new layer:

    Traceback (most recent call last):
      File "/Applications/Typotools/RoboFont/RoboFont.app/Contents/Resources/lib/python2.7/vanilla/vanillaBase.py", line 196, in action_
        self.callback(sender)
      File "lib/UI/newLayerSheet.pyc", line 53, in addCallback
      File "lib/fontObjects/doodleFont.pyc", line 97, in createLayer
      File "/Applications/Typotools/RoboFont/RoboFont.app/Contents/Resources/lib/python2.7/defcon/tools/notifications.py", line 125, in postNotification
        callback = getattr(observer, methodName)
    AttributeError: 'NoneType' object has no attribute 'action'
    Traceback (most recent call last):
      File "lib/doodleDelegate.pyc", line 65, in sendEvent_
      File "/Applications/Typotools/RoboFont/RoboFont.app/Contents/Resources/lib/python2.7/vanilla/vanillaBase.py", line 196, in action_
        self.callback(sender)
      File "lib/UI/newLayerSheet.pyc", line 53, in addCallback
      File "lib/fontObjects/doodleFont.pyc", line 97, in createLayer
      File "/Applications/Typotools/RoboFont/RoboFont.app/Contents/Resources/lib/python2.7/defcon/tools/notifications.py", line 125, in postNotification
        callback = getattr(observer, methodName)
    AttributeError: 'NoneType' object has no attribute 'action'
    

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