From beb1356b5bdeb38eecb5c0bef509d3d4b3f2d3c0 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Fri, 27 Sep 2019 11:59:37 +0200
Subject: [PATCH] Improve error message in BGSAVE.

---
 src/rdb.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/rdb.c b/src/rdb.c
index d9164b21c..e1cedf6f9 100644
--- a/src/rdb.c
+++ b/src/rdb.c
@@ -2590,9 +2590,9 @@ void bgsaveCommand(client *c) {
             addReplyStatus(c,"Background saving scheduled");
         } else {
             addReplyError(c,
-                "Another BG operation is in progress: can't BGSAVE right now. "
-                "Use BGSAVE SCHEDULE in order to schedule a BGSAVE whenever "
-                "possible.");
+            "Another child process is active (AOF?): can't BGSAVE right now. "
+            "Use BGSAVE SCHEDULE in order to schedule a BGSAVE whenever "
+            "possible.");
         }
     } else if (rdbSaveBackground(server.rdb_filename,rsiptr) == C_OK) {
         addReplyStatus(c,"Background saving started");