RMAN-06059: expected archived log not found, loss of archived log compromises recoverability

Issue -

RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of backup plus archivelog command at 07/17/2018 22:04:37
RMAN-06059: expected archived log not found, loss of archived log compromises recoverability
ORA-19625: error identifying file /Ora/APEX/APEX_1_13_981655091.arc
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3

Solution -

The archive backup looking for old archive file which is not available on the server.

commands -
RMAN> list backup;
RMAN>crosscheck backup;
RMAN>crosscheck archivelog all;
RMAN>delete expired backup;

These commands delete the expired  backups and archives.