SAP Message AJ099 - No valid budget billing period has been determined

Diagnosis
A new budget billing plan is to be created for periodic billing. Inthis process, an extrapolation is performed for the budget billingperiod. &v1& -- &v2& has been determined as the budget billing period,but this period is invalid. The end (&v2&) of the budget billing periodwas determined from the schedule records for meter reading unit &v3&.

System Response

Procedure
Check the schedule records of meter reading unit &v3& for consistency,and change them if necessary. When doing this, also check the schedulerecords of the allocated portion &v4&.