Diagnosis
You wish to change an SAP object.
The definition of an SAP object cannot be changed. You can only createa supplement to this object.
If you have created a supplement, only your definition is displayed.The reference to the SAP definition is implemented via an INCLUDE.

Procedure
You can create your own definition with 'Supplement definition'. Thisautomatically contains an INCLUDE instruction which refers to the SAPobject. If you no longer wish to have the reference to the SAPdefinition, this INCLUDE line can be deleted.