Message SAP WXP022 - Determine an exchange rate type for plan version &

Diagnosis
You want to enter or display planning data in a different currency thanthe database currency for the planning scenario.
You require currency conversions to do this, that can be executed fromthe plan version using the currency category.
No currency category has yet been defined for plan version &V1&.

System Response
It is not possible to enter planning for the planning currency &V2&with plan version &V1&.

Procedure
Define a currency category in Customizing forplan version &V1&.