You have only display authorization for namespace &1

What causes this issue?

You are only allowed to display the data of the namespace.

System Response

You cannot switch to change mode.

How to fix this error?

If you require the authorization, contact your system
administrator.

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.