Internal Server Error

Traceback:

Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/gevent/pywsgi.py", line 508, in handle_one_response
    self.run_application()
  File "/usr/local/lib/python2.7/dist-packages/gevent/pywsgi.py", line 495, in run_application
    self.process_result()
  File "/usr/local/lib/python2.7/dist-packages/gevent/pywsgi.py", line 484, in process_result
    for data in self.result:
  File "/home/iutemov/xsf/util/contrib/raven.py", line 103, in _base_web_generator
    for event in iterable:
  File "/home/iutemov/xsf/util/CGI/request.py", line 92, in __iter__
    self.response_iterator = self() # it calls handlers, which may modify headers and prepare content
  File "/home/iutemov/xsf/util/web/publisher.py", line 35, in __call__
    return Handler(self)()
  File "/home/iutemov/xsf/util/urldispatch.py", line 265, in __call__
    return self.route()
  File "/home/iutemov/xsf/util/urldispatch.py", line 237, in route
    response = self.handle_error(handler)
  File "/home/iutemov/xsf/util/urldispatch.py", line 234, in route
    response = view(*args, **kwargs)
  File "/home/iutemov/xsf/modules/starhawks/dashboard/auth.py", line 34, in wrapper
    return method(self, *args, **kwargs)
  File "/home/iutemov/xsf/modules/starhawks/dashboard/dashboard.py", line 160, in bootstrap
    response = getattr(component_item, "op_" + operation)()
  File "/home/iutemov/xsf/modules/starhawks/dashboard/auth.py", line 75, in wrapper
    return method(self, *args, **kwargs)
  File "/home/iutemov/xsf/modules/starhawks/dashboard/components/sc_urls.py", line 56, in op_view
    default_client_version=self._version(),
  File "/home/iutemov/xsf/modules/starhawks/dashboard/components/sc_urls.py", line 122, in _version
    min_version = Const.min_version_client() / 10000
TypeError: unsupported operand type(s) for /: 'NoneType' and 'int'
post: {} get: {}