SAP Message VAL801 - Impairment price or impairment value was not found for key date &1

Diagnosis You want to record an impairment for a position. To enable this, animpairment rate or an impairment value must be entered in the system forthe position. The system was unable to determine an impairment rate or an impairmentvalue for the key date. The position is characterized by the following:valuation area &V2&, company code &V3&, ID number or loan contract &V4&. System Response Processing is terminated. Procedure Enter an impairment rate or impairment value in the system using thetransaction Enter Prices/Net Present Values for Special Valuation(TPM73)