Correct exception for missing nested path

docs/changelog/132408.yaml

@@ -0,0 +1,5 @@
+pr: 132408
+summary: Correct exception for missing nested path
+area: Search
+type: bug
+issues: []

server/src/main/java/org/elasticsearch/index/query/NestedQueryBuilder.java

@@ -300,7 +300,7 @@ public static <E extends Exception> Query toQuery(
             if (ignoreUnmapped) {
                 return new MatchNoDocsQuery();
             } else {
-                throw new IllegalStateException("[" + NAME + "] failed to find nested object under path [" + path + "]");
+                throw new QueryShardException(context, "[" + NAME + "] failed to find nested object under path [" + path + "]");
             }
         }
         final BitSetProducer parentFilter;