# File lib/mcollective/rpc/client.rb, line 707
      def aggregate_reply(reply, aggregate)
        return nil unless aggregate

        aggregate.call_functions(reply)
        return aggregate
      rescue Exception => e
        Log.error("Failed to calculate aggregate summaries for reply from %s, calculating summaries disabled: %s: %s (%s)" % [reply[:senderid], e.backtrace.first, e.to_s, e.class])
        return nil
      end