From 1a26f7f52cc4ff01d538f032145b00cb32fbc8b7 Mon Sep 17 00:00:00 2001
From: Bill Katz <billkatz@gmail.com>
Date: Fri, 15 Mar 2024 12:31:17 -0400
Subject: [PATCH] add better err msg to distinguish which instance is invalid
 in POST /sync

---
 datastore/pubsub.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/datastore/pubsub.go b/datastore/pubsub.go
index 21879594..da1e9ec7 100644
--- a/datastore/pubsub.go
+++ b/datastore/pubsub.go
@@ -141,7 +141,7 @@ func SetSyncByJSON(d dvid.Data, uuid dvid.UUID, replace bool, in io.ReadCloser)
 	for _, name := range syncedNames {
 		data, err := GetDataByUUIDName(uuid, dvid.InstanceName(name))
 		if err != nil {
-			return err
+			return fmt.Errorf("issue with requested sync name %q: %v", name, err)
 		}
 		syncs[data.DataUUID()] = struct{}{}
 	}