could-not-use-different-version-to-sync (#1844)

vesoft-inc · Jan 11, 2023 · afd9ae6 · afd9ae6
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diff --git a/docs-2.0/synchronization-and-migration/replication-between-clusters.md b/docs-2.0/synchronization-and-migration/replication-between-clusters.md
@@ -26,6 +26,8 @@ The synchronization works as follows:
 
 ## Precautions
 
+- Make sure that the primary and secondary clusters are deployed in the same NebulaGraph version. Otherwise, the synchronization will fail.
+
 - The synchronization is based on graph spaces, i.e., from one graph space in the primary cluster to another in the secondary cluster.
 
 - About the synchronization topology, NebulaGraph: