SAP Message RSFREQ_UPL035 - Demon job &1 could not be stopped. Returncode &2 from BP_JOB_DELETE

Procedure
Try again later and if the problem persists, contact your systemadministrator with the error message and return code.

Procedure for System Administration
There is a problem with batch job scheduling. Check the exception ofthe function BP_JOB_DELETE to get further details. Also, test if it ispossible to define and delete any batch jobs using transaction SM36 andSM37 respectively.