SAP Message AJ590 - Net lines for the gross price are missing in gross group &4

Diagnosis
INCLUDE ISU_BI_GROSSPR_MSG OBJECT DOKU ID TX

System Response
INCLUDE ISU_VERARB OBJECT DOKU ID TX

Procedure
Check to see whether, by mistake, one of the prices was not processedfor reference factors.
If the problem persists, contact SAP. Include the following data inyour message:
Billing document,,&v1&
Gross group,,&v4&
Gross price/document line item,,&v2&
Net price/document line item,,&v3&