A valid BP view is not assigned to BP role &1

What causes this issue?

The BP view assigned to the business partner role &V1& in the
definition of the roles, does not exist.

System Response

You can continue to maintain the business partner. The partner is
however not maintained in the role &V1&, but rather in the role &V2&.

How to fix this error?

Assign an existing BP view to the business partner role &V3& (&V1&) in
the IMG under <ZK>SAP Business Partner -> Business Partner ->
Business Partner Roles -> Define BP Roles</>.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.