HA_NOT_COREGROUP_LEADER_CWOBJ1771=CWOBJ1771I: This process is no longer the core group leader for the {0} core group.
Explanation
One server in every core group serves as the leader for that core group and periodically notifies the catalog server with the list of servers that are running. It is possible that the leader might change when a server is going down.
User response
No action is required.