SAP Message WS199 - Inconsistent net values in item &1

Diagnosis
An error occurred during the consistency check of the values enteredcompared with the price determination values. The net value &V3& &V4&entered for item &V1& differs from that for price determination &V2&V4.

System Response
The system does not allow further processing.

Procedure
Check the Customizing settings of the current calculation schema andthe related condition types. Check that the indicator "Statistical" isset for condition types that influence the net values.