Message SAP WXP637 - The selected area for interface &2 contains an incorrect planning version

Diagnosis
You want to transfer data for the plan version to the promotion. Theversion you have selected or made settings for in the layout does notmatch '&V1&' from Customizing for interface &V2&.

System Response
The promotion could not be created.

Procedure
Use a suitable plan version or change the definition of interface &V2&accordingly.