SAP Message 88185 - Error while determining item condition, price list version &1

Diagnosis
The system was unable to determine unique item conditions for thevalidity period of the price list.

System Response
The discounts calculated for a declaration may be incorrect.

Procedure
In Customizing, maintain the conditions of type P such that a validcondition can be determined for the validity period of this price list.
Delete all inconsistent items with a special condition in the pricelist. Enter the required items with a special condition. The F4 helpcontains the pricing condition assignments maintained in Customizing.