Diagnosis
The business partner you entered already exists in other BP roles andhas BP category &V1&. This BP category is not permitted for BP roleV2.

System Response
Error message: Creation of BP role &V2& is not possible for thisbusiness partner.

Procedure
Choose a business partner with a BP category that is permitted for thisBP role. You can find the permitted BP categories on the initial screenof 'Business partner category'.
Alternatively, you can also reselect the BP roles to be maintained.