Oracle Message ORA-00278 - log file string no longer needed for this recovery

ERRORlog file string no longer needed for this recovery
CAUSEThe specified redo log file is no longer needed for the current recovery.
ACTIONNo action required. The archived redo log file may be removed from its current location to conserve disk space, if needed. However, the redo log file may still be required for another recovery session in the future.