ORA-12012 Error on auto execute of job "SYS"."ORA$AT_OS_OPT_SY_ in 12.2 Database

Use full  script    for DR status .!!

Start & Stop  mrp  !!

  ALTER DATABASE RECOVER MANAGED STANDBY DATABASE CANCEL;

  ALTER DATABASE RECOVER MANAGED STANDBY DATABASE DISCONNECT FROM SESSION

SELECT ARCH.THREAD# "Thread", ARCH.SEQUENCE# "Last Sequence Received", APPL.SEQUENCE# "Last Sequence Applied", (ARCH.SEQUENCE# - APPL.SEQUENCE#) "Difference"
FROM
(SELECT THREAD# ,SEQUENCE# FROM V$ARCHIVED_LOG WHERE (THREAD#,FIRST_TIME ) IN (SELECT THREAD#,MAX(FIRST_TIME) FROM V$ARCHIVED_LOG GROUP BY THREAD#)) ARCH,
(SELECT THREAD# ,SEQUENCE# FROM V$LOG_HISTORY WHERE (THREAD#,FIRST_TIME ) IN (SELECT THREAD#,MAX(FIRST_TIME) FROM V$LOG_HISTORY GROUP BY THREAD#)) APPL
WHERE
ARCH.THREAD# = APPL.THREAD#
ORDER BY 1;

select process,client_process,status,sequence# from v$managed_standby;

SELECT * FROM ( SELECT NAME,sequence#,thread#, archived, applied,TO_CHAR(first_time, 'RRRR/MM/DD HH24:MI') AS completed   FROM sys.v$archived_log     ORDER BY sequence# DESC)  WHERE ROWNUM <=5;



select thread#,max(sequence#) from v$log_history group by thread#;

select sequence#,to_char(first_time, 'DD-MON-YY HH:MI:SS AM') FROM V$LOG_HISTORY WHERE SEQUENCE# IN ('527735','208560');




===========Incremental backup  script for standby ==================

{
allocate channel ch1 device type disk;
allocate channel ch2 device type disk;
allocate channel ch3 device type disk;
allocate channel ch4 device type disk;
allocate channel ch5 device type disk;
backup as compressed backupset incremental from SCN 16215096501  database format '/backp_location/standby_%U.dbf';
backup current controlfile for standby format ''/backp_location/standbyctl_bkp01.ctl';
}

=======================================================================

DELETE NOPROMPT ARCHIVELOG UNTIL SEQUENCE = 3375

delete archivelog until time 'sysdate-1'

delete archivelog until sequence 37685

crosscheck archivelog all

delete archivelog until time 'sysdate-5'

DELETE NOPROMPT ARCHIVELOG UNTIL SEQUENCE = 33123;.

find *.dbf -mtime 1 -exec ls -ltr  {} \;

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select

   name,

   ceil( space_limit / 1024 / 1024) size_mb,

   ceil( space_used / 1024 / 1024) used_mb,

   decode( nvl( space_used, 0),0, 0,

   ceil ( ( space_used / space_limit) * 100) ) pct_used

from

    v$recovery_file_dest

order by

   name desc;

   

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