def single_error_check(client, status)
      begin
        response_class = status[:response_class]
      rescue
        raise "no response_class found: #{status.inspect}" if !response_class
      end

      if status[:response_class] == "Error"
        return "#{status[:response_code]} - #{status[:message_text]}"
      elsif status[:response_class] == "Warning"
        Rews.log{|logger| logger.warn("#{status[:response_code]} - #{status[:message_text]}")}
      end
    end
def single_error_check(client, status)
      begin
        response_class = status[:response_class]
      rescue
        raise "no response_class found: #{status.inspect}" if !response_class
      end

      if status[:response_class] == "Error"
        return "#{status[:response_code]} - #{status[:message_text]}"
      elsif status[:response_class] == "Warning"
        Rews.log{|logger| logger.warn("#{status[:response_code]} - #{status[:message_text]}")}
      end
    end
check the status of the response of a single part of a multi-part request