Add known vector index issue where queries could be incorrectly rejec…

…ted (#805)

Co-authored-by: Jens Pryce-Åklundh <[email protected]>

modules/ROOT/pages/indexes-for-vector-search.adoc

@@ -477,6 +477,17 @@ WHERE type = 'VECTOR'
 ====
 | Neo4j 5.15
 
+| Vector indexes may incorrectly reject valid queries in a cluster setting.
+This is caused by an issue in the handling of index capabilities on followers.
+
+[TIP]
+====
+Because index capabilities will be correctly configured on a restart, this issue can be worked around by rolling the cluster after vector index creation.
+====
+
+For more information about clustering in Neo4j, see the link:{neo4j-docs-base-uri}/operations-manual/{page-version}/clustering[Operations Manual -> Clustering].
+| Neo4j 5.14
+
 | Querying for a _single_ approximate nearest neighbor from an index would fail a validation check. Passing a `null` value would also provide an unhelpful exception.
 | Neo4j 5.13