SAP Message VAL606 - Existing book values with different amounts and the same currencies

Diagnosis
You wish to carry out a manual valuation for the position on &V1&. Toenable this, book values must have been defined in the system as atV1.
The defined book values in position and valuation currency have thesame currency but still differ from each other.

System Response
The valuation is terminated.

Procedure
Define consistent book values.