ORA-12012: error on auto execute of job 959 (number may differ)
ORA-23421: job number 959 is not a job in the job queue
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 86
ORA-06512: at "SYS.DBMS_IJOB", line 525
ORA-06512: at "SYS.DBMS_IJOB", line 258
ORA-06512: at line 1

SQL> select job, log_user, broken, what, failures from sys.dba_jobs;

       JOB LOG_USER BROKE WHAT                                                      FAILURES
---------- -------- ----- ------------------------------------------------------- ----------
       802 ASKUEANA N     RepConfig.runBatchReport(784,job,next_date);                     0
           LYZER

       753 ASKUEANA N     RepConfig.runBatchReport(780,job,next_date);                     0
           LYZER

       754 ASKUEANA N     RepConfig.runBatchReport(776,job,next_date);                     0
           LYZER

       755 ASKUEANA N     RepConfig.runBatchReport(627,job,next_date);                     0
           LYZER

       JOB LOG_USER BROKE WHAT                                                      FAILURES
---------- -------- ----- ------------------------------------------------------- ----------

       756 ASKUEANA N     RepConfig.runBatchReport(632,job,next_date);                     0
           LYZER

       757 ASKUEANA N     RepConfig.runBatchReport(781,job,next_date);                     0
           LYZER

       759 ASKUEANA N     RepConfig.runBatchReport(738,job,next_date);                     0
           LYZER

       760 ASKUEANA N     RepConfig.runBatchReport(739,job,next_date);                     0

       JOB LOG_USER BROKE WHAT                                                      FAILURES
---------- -------- ----- ------------------------------------------------------- ----------
           LYZER

       761 ASKUEANA N     RepConfig.runBatchReport(754,job,next_date);                     0
           LYZER

       782 ASKUEANA N     archiving.replaceparvaluetoar;                                   0
           LYZER


10 rows selected.

SQL> show parameter job

NAME                                 TYPE    VALUE
------------------------------------ ------- ------------------------------
job_queue_interval                   integer 60
job_queue_processes                  integer 10
SQL> show err
No errors.