Oracle Solution for Error ora-31626

ORA-31626: job does not exist

What triggered the Error:

An invalid reference to a job which is no longer executing, is not executing on the instance where the operation was attempted, or that does not have a valid Master Table. Refer to any following error messages for clarification.

What should we do to fix it:

Start a new job, or attach to an existing job that has a valid Master Table.