Not reproducible but the error message seems legit.

**Build scan:**
https://gradle-enterprise.elastic.co/s/2m3vzhdz5pksq/tests/:modules:dlm:internalClusterTest/org.elasticsearch.dlm.DataLifecycleServiceIT/testErrorRecordingOnRetention

**Reproduction line:**
```
./gradlew ':modules:dlm:internalClusterTest' --tests "org.elasticsearch.dlm.DataLifecycleServiceIT.testErrorRecordingOnRetention" -Dtests.seed=FCACF4153E9AF228 -Dtests.locale=it-IT -Dtests.timezone=Pacific/Guam -Druntime.java=20
```

**Applicable branches:**
main

**Reproduces locally?:**
No

**Failure history:**
https://gradle-enterprise.elastic.co/scans/tests?tests.container=org.elasticsearch.dlm.DataLifecycleServiceIT&tests.test=testErrorRecordingOnRetention

**Failure excerpt:**
```
java.lang.AssertionError: 
Expected: <2>
     but: was <1>

  at __randomizedtesting.SeedInfo.seed([FCACF4153E9AF228:56E5B418B50EB0D8]:0)
  at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:18)
  at org.junit.Assert.assertThat(Assert.java:956)
  at org.junit.Assert.assertThat(Assert.java:923)
  at org.elasticsearch.dlm.DataLifecycleServiceIT.lambda$testErrorRecordingOnRetention$7(DataLifecycleServiceIT.java:300)
  at org.elasticsearch.test.ESTestCase.assertBusy(ESTestCase.java:1152)
  at org.elasticsearch.test.ESTestCase.assertBusy(ESTestCase.java:1125)
  at org.elasticsearch.dlm.DataLifecycleServiceIT.testErrorRecordingOnRetention(DataLifecycleServiceIT.java:293)
  at jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
  at java.lang.reflect.Method.invoke(Method.java:578)
  at com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1758)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:946)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:982)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:996)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:48)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at org.apache.lucene.tests.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45)
  at org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
  at org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:843)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:490)
  at com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:955)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:840)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:891)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:902)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
  at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
  at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
  at org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
  at org.apache.lucene.tests.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:850)
  at java.lang.Thread.run(Thread.java:1623)

```
modules/dlm/src/internalClusterTest/java/org/elasticsearch/dlm/DataLifecycleServiceIT.java
Iterable<DataLifecycleService> lifecycleServices = internalCluster().getInstances(DataLifecycleService.class);
                for (DataLifecycleService lifecycleService : lifecycleServices) {
                    assertThat(lifecycleService.getErrorStore().getError(firstGenerationIndex), nullValue());
                }
            });
        } finally {
            
            
            try {
                updateIndexSettings(Settings.builder().put(READ_ONLY.settingName(), false), firstGenerationIndex);
            } catch (Exception e) {
                
            }
        }
    }
    static void indexDocs(String dataStream, int numDocs) {
        BulkRequest bulkRequest = new BulkRequest();
        for (int i = 0; i < numDocs; i++) {
            String value = DateFieldMapper.DEFAULT_DATE_TIME_FORMATTER.formatMillis(System.currentTimeMillis());
            bulkRequest.add(
                new IndexRequest(dataStream).opType(DocWriteRequest.OpType.CREATE)
                    .source(String.format(Locale.ROOT, "{\"%s\":\"%s\"}", DEFAULT_TIMESTAMP_FIELD, value), XContentType.JSON)
            );
        }
        BulkResponse bulkResponse = client().bulk(bulkRequest).actionGet();
        assertThat(bulkResponse.getItems().length, equalTo(numDocs));
        String backingIndexPrefix = DataStream.BACKING_INDEX_PREFIX + dataStream;
        for (BulkItemResponse itemResponse : bulkResponse) {
            assertThat(itemResponse.getFailureMessage(), nullValue());