Business Partner &1 for Personnel Number &2 is not blocked.

What causes this issue?

Business Partner for the Personnel Number(PERNR) is not blocked

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?

Before purging the data of a PERNR you need to block its corresponding
Business Partner first.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.