Job BI_PROCESS_SCM_DP001 could not be scheduled. Termination with returncode 8

Unable to schedule process chains Job BI_PROCESS_SCM_DP001 could not be scheduled. Termination with returncode 8 Message no. RSPC065 Diagnosis Program RSPROCESS is to be scheduled as job BI_PROCESS_SCM_DP001 under user RFCUSER. System Response Scheduling terminated with return code 8. The meanings of the return codes are as follows: SY-SUBRC = 4: Scheduling terminated by user SY-SUBRC = 8: Error when scheduling job (JOB_SUBMIT) SY-SUBRC = 12: Error in internal number assignment Procedure