code: def _handle_satosa_authentication_error(self, error):
          
          context = Context()
          context.state = error.state
          frontend = self.module_router.frontend_routing(context)
          return frontend.handle_backend_error(error)
docs: Sends a response to the requester about the error
  
          :type error: satosa.exception.SATOSAAuthenticationError
          :rtype: satosa.response.Response
  
          :param error: The exception
          :return: response