Getting error while taking the backups

Couchbase Server
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1

Couchbase 6.6 Enterprise version

when i taking the backup of whole cluster getting below errors:
Steps: 1 First i configured the repo :

  /opt/couchbase/bin/cbbackupmgr config --archive /backup1 --repo repo11

Output: Backup repository repo11 created successfully in archive /backup1
step: 2

 /opt/couchbase/bin/cbbackupmgr backup --archive /backup1 --repo repo11 --cluster couchbase://<IP>:8091 -u Administrator -p password

Output:

Backing up to '2024-10-22T06_22_16.503353988Z'
Deciding which key value data to transfer for 'search-dev-bucket'                                                                                                                                                                                          0 items / 0B[===================] 100.00%Error backing up cluster: authentication failure

i provided correct credentials

2

If there sre specisl characters in the username or password, they must be quoted with single quotes to prorect them from the shell.translating them.