Authorization is missing for displaying name from user master record

What causes this issue?

You are (partly) not authorized to display the name of other users.

System Response

The system displays the user ID instead.

How to fix this error?

Contact your system administrator. The authorization object is S_USR_GRP
with the checked authorization:
CLASS = user group from the logon data of the user master of the current
(external) user
ACTVT = 03 (display)

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.