New RMAN Configuration failing with return code 1

Hi All,

     We have configured Oracle backup for a fresh server by installing  Networker Client and NMDA, After configuring the database the backup is failing with below error. please help me on this.

Tue Aug 15 15:42:58 2017

Tue Aug 15 15:42:58 2017

cmd_args = msglog '/nsr/applogs/msglog.log'

cmd_args = send 'NSR_ENV=(NSR_CLIENT=PQR.company.com,NSR_DEVICE_INTERFACE=DATA_DOMAIN,NSR_DIRECT_ACCESS=default,NSR_GROUP=TEST3,NSR_PARENT_JOBID=1142050,NSR_SERVER=xyz.local,NSR_SAVESET_NAME=RMAN:\ABC_FULL,NSR_DATA_DOMAIN_INTERFACE=IP)'

rman_script = /nsr/apps/tmp/tmp_rman.5553

saveset_name = RMAN:\XYZ_FULL

Launching backup process

RMAN exited with return code '1'.

Exiting with error:

RMAN exited with return code '1'.

PQR.company.com:     RMAN exited with return code '1'.

24586:nsrdasv: RMAN exited with return code '1'.

--- Job Indications ---

PQR.company.com:RMAN:\ABC_FULL: retried 1 times.