Hi I have a schema : But when I try to Bind it gives me error on Type Aircraft: tgfMessage.append(Aircraft) File "/usr/lib/python2.7/dist-packages/pyxb/binding/basis.py", line 2534, in append raise pyxb.UnrecognizedContentError(self, self.__automatonConfiguration, value, location) pyxb.exceptions_.UnrecognizedContentError: Invalid content <pyxb.BIND object at 0x7f7189924a90> (expect Aircraft) Code: msgType = tgfAircraftMessage.MsgType.Aircraft tgfMessage = tgfAircraftMessage.TgfAircraftMessage()...