Code: ORA-31634
Description:
 job already exists
Cause:
 Job creation or restart failed because a job having the selected name is
currently executing. This also generally indicates that a Master Table with that job
name exists in the user schema. Refer to any following error messages for
clarification.
Action:
 Job creation or restart failed because a job having the selected name is
currently executing. This also generally indicates that a Master Table with that job
name exists in the user schema. Refer to any following error messages for
clarification.