SAP Message R9E005 - Change the technical name the system specified for '&1'

Diagnosis
The technical name assigned by the system is not descriptive.

System Response
You can ignore this warning, because the technical name assigned by thesystem is unique.
Howver, the technical name can no longer be changed after saving.

Procedure
Assign a new technical name that is descriptive. The technical name mustbe unique throughout the system.