Recently i upgraded our splunk enterprise version from 9.0.0 to 9.0.1 in all our master , search head & indexer nodes. The order we updated is indexer - search head - master.  Once the upgrade was successfully done we weren't able to bring up the splunk cluster in which indexer node is keep on failing with the below mentioned error: 10-27-2022 23:02:27.083 +0000 ERROR CMSlave [91467 MainThread] - event=getActiveBundle failed with err="invalid active_bundle_id=. Check the cluster manager for bundle validation/errors or other issues." even after multiple attempts, Exiting.. 10-27-2022 23:02:27.106 +0000 ERROR loader [91467 MainThread] - Failed to download bundle from the cluster manager, err="invalid active_bundle_id=. Check the cluster manager for bundle validation/errors or other issues.", Won't start splunkd.  There are no errors in master & search head node's logs. Please help me to fix this bundle validation error. ... View more