Error-Tolerant Search for Business Partners is Not Possible

What causes this issue?

No error-tolerant search for business partners is possible.

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?

You can only conduct an error-tolerant search if a corresponding
software module has been incorporated in Business Address Services
(BAS).
Contact your system administrator to obtain further information.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.