ORA-ERRORS

ORA-16401:	archivelog rejected by RFS
Cause:	An attempt was made to re-archive an existing archivelog. This usually happens because either a multiple primary database or standby database(s) or both are trying to archive to this standby database.
Action:	See alert log and trace file for more details. No action is necessary; this is an informational statement provided to record the event for diagnostic purposes.