Business partner for partner function &1 changed

What causes this issue?

The system uses the settings you have specified in the Customizing
activity <LS>Define Partner Determination Profiles</> to automatically
determine the business partner for the partner functions.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.