schedule service cannot accept any service requirements.

During schedule queue registration, threads are used to register the service requests in the schedule queue in parallel. However, the scheduler service could not accept service requests because there were too few threads available for schedule queue registration.
This message is output depending on the value of rpc_server_busy_count in the system common definition.

S: Continues processing.

O: Review the number of services requested from the schedule service. Alternatively, use the multi-scheduler facility.