REINDEX EXCEPTION:Error while fetching database segment data source

Reindex task log below:
java.lang.RuntimeException: org.apache.druid.java.util.common.ISE: Error while fetching database segment data source segment status[404 Not Found] content
at org.apache.druid.client.coordinator.CoordinatorClient.fetchUsedSegment(CoordinatorClient.java:189) ~[druid-server-0.20.2.jar:0.20.2]
at org.apache.druid.indexing.input.DruidInputSource.getTimelineForSegmentIds(DruidInputSource.java:397) ~[druid-indexing-service-0.20.2.jar:0.20.2]
at org.apache.druid.indexing.input.DruidInputSource.createTimeline(DruidInputSource.java:215) ~[druid-indexing-service-0.20.2.jar:0.20.2]
at org.apache.druid.indexing.input.DruidInputSource.fixedFormatReader(DruidInputSource.java:173) ~[druid-indexing-service-0.20.2.jar:0.20.2]
at org.apache.druid.data.input.AbstractInputSource.reader(AbstractInputSource.java:48) ~[druid-core-0.20.2.jar:0.20.2]
at org.apache.druid.indexing.common.task.AbstractBatchIndexTask.inputSourceReader(AbstractBatchIndexTask.java:172) ~[druid-indexing-service-0.20.2.jar:0.20.2]
at org.apache.druid.indexing.common.task.InputSourceProcessor.process(InputSourceProcessor.java:80) ~[druid-indexing-service-0.20.2.jar:0.20.2]
at org.apache.druid.indexing.common.task.batch.parallel.PartialSegmentGenerateTask.generateSegments(PartialSegmentGenerateTask.java:182) ~[druid-indexing-service-0.20.2.jar:0.20.2]
at org.apache.druid.indexing.common.task.batch.parallel.PartialSegmentGenerateTask.runTask(PartialSegmentGenerateTask.java:104) ~[druid-indexing-service-0.20.2.jar:0.20.2]
at org.apache.druid.indexing.common.task.AbstractBatchIndexTask.run(AbstractBatchIndexTask.java:140) ~[druid-indexing-service-0.20.2.jar:0.20.2]
at org.apache.druid.indexing.overlord.SingleTaskBackgroundRunner$SingleTaskBackgroundRunnerCallable.call(SingleTaskBackgroundRunner.java:451) [druid-indexing-service-0.20.2.jar:0.20.2]
at org.apache.druid.indexing.overlord.SingleTaskBackgroundRunner$SingleTaskBackgroundRunnerCallable.call(SingleTaskBackgroundRunner.java:423) [druid-indexing-service-0.20.2.jar:0.20.2]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_281]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_281]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_281]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_281]
Caused by: org.apache.druid.java.util.common.ISE: Error while fetching database segment data source segment status[404 Not Found] content
at org.apache.druid.client.coordinator.CoordinatorClient.fetchUsedSegment(CoordinatorClient.java:179) ~[druid-server-0.20.2.jar:0.20.2]
… 15 more
2022-09-07T15:00:36,315 INFO [task-runner-0-priority-0] org.apache.druid.indexing.worker.executor.ExecutorLifecycle - Task completed with status: {
“id” : “partial_index_generate_adx-request-buyer_detail-metrics-daily_bhegocfl_2022-09-07T15:00:29.402Z”,
“status” : “FAILED”,
“duration” : 364,
“errorMsg” : “java.lang.RuntimeException: org.apache.druid.java.util.common.ISE: Error while fetching database seg…”,
“location” : {
“host” : null,
“port” : -1,
“tlsPort” : -1
}
}

Can you please provide a bit of context for this log? What type of job you were running? What was the expected behavior? What behavior led to you check this log?