External Name is not approved

What causes this issue?

The external name is not approved.

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 perform the following check:
+,,Visit the Global Technical Name Catalog (GTNC) to get the list of
approved field names to be used in the <LS>External Name </>column.
Note: You can get the name approved in the GTNC.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.