Backup operation fails with error 6654

This error is encountered during the following scenarios:

If HBase credentials are not added in NetBackup master server
Workaround:
Ensure that the HBase credentials are added in NetBackup master server. Use the tpconfig command. For more information, See Adding HBase credentials in NetBackup.
If HBase plug-in files are not installed on backup host.
Workaround:
Ensure that the HBase plug-in files are installed on all backup hosts before you begin backup operation.
If a NetBackup client that is used as a backup host is not allowlisted.
Workaround:
Ensure that the NetBackup client that is used as a backup host is allowlisted before you begin backup operation.
See Whitelisting a NetBackup client on NetBackup master server.