Cause
An attempt was made to archive the unarchived redo log files manually, but there are no files that need to be archived.
An attempt was made to archive the unarchived redo log files manually, but there are no files that need to be archived.
No action required.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e0.htm
https://community.oracle.com/message/4388353
https://community.oracle.com/message/2211301
https://community.oracle.com/message/1971768
https://community.oracle.com/message/10092957
https://community.oracle.com/message/9892732
https://community.oracle.com/message/10001685
https://community.oracle.com/message/1172545
https://community.oracle.com/message/11371
https://community.oracle.com/message/3292648
https://community.oracle.com/message/10406350
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