No business partner function found for FS business partner role &1

What causes this issue?

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

System Response

How to fix this error?

Assign a business partner function to the FS business partner role &V1&
in customizing table V_TCMS_FSBP_R2F.
Use following key identifiers for the entry:
FSBP User = &V2&.
CMS-BP User = &V3&.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.