Rman duplication failing on deleting archive log on source

Hi All,

During rman duplicate  after restore compelted . recovery clone database with archivelog delete.

My question is delete archivelog command will delete which archivelogs. bcoz twice i face issue rman dupilcate failed bcoz it s unable to delete the archivelog on auxiliary datbase  (source).

Please let me know how to avoid this problem ..

{
   set until time  "to_date('JAN 14 2014 04:00:00', 'MON DD YYYY HH24:MI:SS')";
   recover
   clone database
    delete archivelog
   ;
}

channel clone_default: deleting archived log(s)
archived log file name=/opt/app/oracle/flash_recovery_area/MAXREL/archivelogmaxrel_0000005605_0001_0824473378.arc RECID=16844 STAMP=836888690
failover to previous backup
Oracle instance started