SAP Message RDPT104 - Unable to find values for price index &1 before or on date &2

Diagnosis
When trying to determine price index &V1& on &V2&, the system wasunable to find an index value before or on this date.

System Response
The process was cancelled.

Procedure
Enter at least one index value before or on &V2& in Customizing bychoosing 'Define Price Indexes'.