Competitor &1 is blocked

What causes this issue?

You want to display or change data for the competitor. The master data
for the corresponding customer may include personal data and is blocked.

System Response

To protect personal data, the system does not display any data related
to the competitor, and you cannot change data for this competitor.

How to fix this error?

If you are sure that you want to display or change data for the
competitor, use transaction <DS><DS:TRAN.BUP_REQ_UNBLK>BUP_REQ_UNBLK</>
</> to request that the corresponding customer be unblocked.

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.