ORA-16171
        The RECOVER...FINISH request is not allowed due to gap in thread string, sequences string-string.
        
        
        Cause
        The specified RECOVER...FINISH request is not allowed due to a gap in redo. See the alert log for additional information.
        Action
        Copy missing archived logs from primary or another standby. Register the logs and reissue the RECOVER...FINISH command. If the logs are not available, issue the ALTER DATABASE RECOVER MANAGED STANDBY SKIP command to ignore the redo log files missing on the standby.
        
     
    
    
        ORA-16171
        RECOVER...FINISH not allowed due to gap for thr string, seq string-string
        
        
        Cause
        See alert log for more details
        Action
        Copy missing archived logs from primary or another standby. Register the logs and reissue the RECOVER...FINISH command. If the logs are not available, issue the ALTER DATABASE RECOVER MANAGED STANDBY SKIP command to ignore the standby redo log files.
        
     
    
    
        ORA-16171
        RECOVER...FINISH not allowed due to gap for thr string, seq string-string
        
        
        Cause
        See alert log for more details
        Action
        Copy missing archived logs from primary or another standby. Register the logs and reissue the RECOVER...FINISH command. If the logs are not available, issue the ALTER DATABASE RECOVER MANAGED STANDBY SKIP command to ignore the standby redo log files.