add information about new errors for revoke commands in the additions/removals section (#1170)

Operations manual
[PR](neo4j/docs-operations#2009)

---------

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

Author: 3 people

modules/ROOT/pages/deprecations-additions-removals-compatibility.adoc

@@ -83,6 +83,17 @@ Instead, use the xref:functions/scalar.adoc#functions-properties[`properties()`]
 MATCH (n)-[r:REL]->(m) SET n = properties(r)
 ----
 
+a|
+label:functionality[]
+label:removed[]
+[source, cypher, role="noheader"]
+----
+REVOKE READ {*} ON GRAPH * NODES A FROM missingUser
+REVOKE ROLE missingRole FROM bob
+----
+a|
+Errors have replaced notifications for impossible link:{neo4j-docs-base-uri}/operations-manual/current/authentication-authorization/manage-roles/#access-control-revoke-roles[`REVOKE`] commands where a user, role, or database does not exist.
+
 |===