Delayed authentication is configured to use alias name, user &1 has none

What causes this issue?

Delayed authentication is configured to identify SAP users in the
directory service by their alias user name, however the user for which
the process should be prepared now does not have an alias user name.

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.