fixup error

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

subscriber.go

@@ -123,7 +123,7 @@ func (s *Subscriber) poll(ctx context.Context) {
 				c := s.consumers[tps]
 				s.mu.Unlock()
 				if c != nil {
-					c.recs <- newErrorFetchTopicPartition(kgo.ErrClientClosed, t, p)
+					c.recs <- newErrorFetchTopicPartition(err, t, p)
 				}
 			})
 
@@ -352,6 +352,8 @@ func (pc *consumer) newErrorMessage(err error, t string, p int32) *kgoMessage {
 		pm = &kgoMessage{}
 	}
 
+	pm.ack = false
+	pm.body = nil
 	pm.err = err
 	pm.topic = t
 	pm.hdr = metadata.New(2)