Diagnosis
You have attempted to execute a periodic billing for scheduled billingdate &v1&. Periodic billing cannot be executed yet because it is partof a backbilling period or period-end billing period, and it refers tothe schedule record of portion &v2& with end of billing period &v3&.Billing has not been executed yet for the schedule record of theportion with end of billing period &v4&.

System Response

Procedure
Execute a periodic billing for the schedule record with end of billingperiod &v4&. To to do, generate a billing order for this schedulerecord.