ORA-12012: error on auto execute of job 55536
In alert log we are getting the error, So we checked the job number which is causing the error. If it is not needed then drop it or disable it by dbms_scheduler procedure.
For checking the status of job when its last run and owner and inform to application team if its belong to application job:
d.job_action = s.program_action
s.obj# = 55536
For More detail refer to link: