Business partner data has not been changed (& 2- & 3). See Long text.

What causes this issue?

While updating the master data, the system tried to update the
corresponding business partner data. The following error occurred:
<ZH>&V1&</>
<ZH>&V2&</><ZH>-&V3&</>

System Response

As a result, the business partner data could not be updated. The master
data has been changed.

How to fix this error?

Correct the entries in accordance with the error message above.

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.