ORA - 19625: error identifying file

RMAN> BACKUP DATABASE PLUS ARCHIVELOG DELETE INPUT;

 Starting backup
 current log archived
 using channel ORA_DISK_1
 RMAN-00571: ===========================================================
 RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
 RMAN-00571: ===========================================================
 RMAN-03002: failure of backup plus archivelog command at 10/09/2014 00:16:23
 RMAN-06059: expected archived log not found, loss of archived log compromises recoverability
 ORA-19625: error identifying file /u01/app/oracle/oradata/archive/1_241_850299214.arc
 ORA-27037: unable to obtain file status
 Linux-x86_64 Error: 2: No such file or directory
 Additional information: 3

Cause: RMAN cannot find the following archive log file in corresponding destination cause of expire or delete file.

Solution: You can check your expire archive log list and delete expired archive log files from RMAN, If you really lost your archive log file and you are not able to collect this file.

RMAN> CROSSCHECK ARCHIVELOG ALL;

 released channel: ORA_DISK_1
 allocated channel: ORA_DISK_1
 channel ORA_DISK_1: SID=98 device type=DISK
 validation failed for archived log
 archived log file name=/u01/app/oracle/oradata/archive/1_241_850299214.arc RECID=351 STAMP=860457193
 validation failed for archived log
 archived log file name=/u01/app/oracle/oradata/archive/1_242_850299214.arc RECID=351 STAMP=860457670
 validation succeeded for archived log
 archived log file name=/u01/app/oracle/oradata/archive/1_243_850299214.arc RECID=352 STAMP=860458582
 Crosschecked 3 objects

 RMAN> DELETE EXPIRED ARCHIVELOG ALL;

 released channel: ORA_DISK_1
 allocated channel: ORA_DISK_1
 channel ORA_DISK_1: SID=98 device type=DISK
 List of Archived Log Copies for database with db_unique_name ORA11GS
 =====================================================================

 Key     Thrd Seq     S Low Time
 ------- ---- ------- - ---------
 2730    1    241     X 08-OCT-14
         Name: /u01/app/oracle/oradata/archive/1_241_850299214.arc

 3002    1    242     X 08-OCT-14
         Name: /u01/app/oracle/oradata/archive/1_242_850299214.arc

 Do you really want to delete the above objects (enter YES or NO)? yes
 deleted archived log
 archived log file name=/u01/app/oracle/oradata/archive/1_241_850299214.arc RECID=351 STAMP=860457193
 deleted archived log
 archived log file name=/u01/app/oracle/oradata/archive/1_242_850299214.arc RECID=351 STAMP=860457670
 Deleted 2 EXPIRED objects

 RMAN> BACKUP DATABASE PLUS ARCHIVELOG DELETE INPUT;

 Starting backup
 current log archived
 using channel ORA_DISK_1
 channel ORA_DISK_1: starting archived log backup set
 channel ORA_DISK_1: specifying archived log(s) in backup set
 input archived log thread=1 sequence=243 RECID=352 STAMP=860458582
 input archived log thread=1 sequence=244 RECID=353 STAMP=860459023
 channel ORA_DISK_1: starting piece 1 at 09-OCT-14
 channel ORA_DISK_1: finished piece 1 at 09-OCT-14
 piece handle=/u01/rman_backup/ora11gs_bkp_1gpkj40g tag=TAG20141009T002344 comment=NONE
 channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
 channel ORA_DISK_1: deleting archived log(s)
 archived log file name=/u01/app/oracle/oradata/archive/1_243_850299214.arc RECID=352 STAMP=860458582
 archived log file name=/u01/app/oracle/oradata/archive/1_244_850299214.arc RECID=353 STAMP=860459023
 Finished backup at 09-OCT-14

 Starting backup at 09-OCT-14
 using channel ORA_DISK_1
 channel ORA_DISK_1: starting full datafile backup set
 channel ORA_DISK_1: specifying datafile(s) in backup set
 input datafile file number=00001 name=/u01/app/oracle/oradata/ora11gp/system01.dbf
 input datafile file number=00002 name=/u01/app/oracle/oradata/ora11gp/sysaux01.dbf
 input datafile file number=00003 name=/u01/app/oracle/oradata/ora11gp/undotbs01.dbf
 input datafile file number=00004 name=/u01/app/oracle/oradata/ora11gp/users01.dbf
 channel ORA_DISK_1: starting piece 1
 channel ORA_DISK_1: finished piece 1
 piece handle=/u01/rman_backup/ora11gs_bkp_1hpkj40h tag=TAG20141009T002345 comment=NONE
 channel ORA_DISK_1: backup set complete, elapsed time: 00:01:25
 Finished backup

 Starting backup
 current log archived
 using channel ORA_DISK_1
 channel ORA_DISK_1: starting archived log backup set
 channel ORA_DISK_1: specifying archived log(s) in backup set
 input archived log thread=1 sequence=245 RECID=354 STAMP=860459111
 channel ORA_DISK_1: starting piece 1 at 09-OCT-14
 channel ORA_DISK_1: finished piece 1 at 09-OCT-14
 piece handle=/u01/rman_backup/ora11gs_bkp_1ipkj437 tag=TAG20141009T002511 comment=NONE
 channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
 channel ORA_DISK_1: deleting archived log(s)
 archived log file name=/u01/app/oracle/oradata/archive/1_245_850299214.arc RECID=354 STAMP=860459111
 Finished backup

 Starting Control File and SPFILE Autobackup
 piece handle=/u01/rman_backup/bkp_cf_c-3519562480-20141009-01 comment=NONE
 Finished Control File and SPFILE Autobackup

 RMAN>