Oracle backups are getting failed with errorcode 24 whereas filesystem backups are getting successful

Hello Team,

Oracle RMAN script backups are getting failed with errorcode 24 whereas filesystem backups are getting successful

Activity monitor logs:

10/28/2014 3:43:13 PM - Error bprd(pid=5652) Unable to write progress log </usr/openv/netbackup/logs/user_ops/dbext/logs/19553.0.1414528991> on client llabora1. Policy=lab_ora Sched=user 
10/28/2014 3:43:13 PM - Error bprd(pid=5652) CLIENT llabora1  POLICY lab_ora  SCHED user  EXIT STATUS 24 (socket write failed)

Please help me on this

Thanks

CP