unable to resgiter witnes node in repmgr

Happy new year to everyone !!

Can any one help me on this below issue as we are not able to register witness node in repmgr , getting below error.

postgres@adsoazdbaodb04[TEST]-/home/postgres: repmgr -f /u01/app/admin/Data/repmgr.conf witness register -h scrbtrheldbaas001

INFO: connecting to witness node "adsoazdbaodb04" (ID: 4)

DEBUG: connecting to: "user=repmgr connect_timeout=2 dbname=repmgr host=adsoazdbaodb04 fallback_application_name=repmgr options=-csearch_path="

INFO: connecting to primary node

DEBUG: connecting to: "user=repmgr connect_timeout=2 dbname=repmgr host=scrbtrheldbaas001 fallback_application_name=repmgr options=-csearch_path="

ERROR: witness node cannot be in the same cluster as the primary node

DETAIL: database system identifiers on primary node and provided witness node match (7317528477531093832)

HINT: the witness node must be created on a separate read/write node

postgres@adsoazdbaodb04[TEST]-/home/postgres: cat /u01/app/admin/Data/repmgr.conf

#cluster='pg_cluster'

node_id=4

node_name=adsoazdbaodb04

conninfo='host=adsoazdbaodb04 user=repmgr dbname=repmgr connect_timeout=2'

data_directory='/u01/app/admin/Data/pg_da'

failover=automatic

promote_command='repmgr standby promote -f /u01/app/admin/Data/repmgr.conf --log-to-file'

follow_command='repmgr standby follow -f /u01/app/admin/Data/repmgr.conf --log-to-file --upstream-node-id=%n'

pg_bindir='/u01/app/admin/Postgresql/15.3/bin'

user='repmgr'

log_level = 'DEBUG'

log_file = '/u01/app/admin/Data/repmgr.log'

monitoring_history = 'true'

primary_visibility_consensus = 'true'

Thanks & Regards

Vijaykumar

Database Operations

Maersk Global Service Centre, Pune.