How To Fix UD068 - Definition of SAP object cannot be changed; create a supplement

UD068 - Overview

• Message type: E = Error

• Message class: UD - EDM - Enterprise Data Model

• Message number: 068

• Message text: Definition of SAP object cannot be changed; create a supplement

What causes this issue?

You wish to change an SAP object.
The definition of an SAP object cannot be changed. You can only create
a 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.

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 create your own definition with 'Supplement definition'. This
automatically contains an INCLUDE instruction which refers to the SAP
object. If you no longer wish to have the reference to the SAP
definition, this INCLUDE line can be deleted.

Error message extract from SAP system. Copyright SAP SE.

UD068 - Details

• The SAP error message UD068, which states "Definition of SAP object cannot be changed; create a supplement," typically occurs when you attempt to modify an existing SAP object that is part of a standard SAP delivery. This is a protective measure to ensure that standard SAP objects remain intact and are not altered, which could lead to issues during upgrades or support.
  
  Cause:
  
  Modification of Standard Objects: The error arises when you try to change a standard SAP object (like a table, function module, or program) directly in the system.
  Transport Layer Restrictions: The system is configured to prevent changes to standard objects to maintain the integrity of the SAP system.
  Development Class: The object you are trying to modify is likely in a package that is not meant for modifications.
  
  
  Solution:
  
  
  Create a Supplement: Instead of modifying the standard object directly, you should create a "supplement" or a custom object that extends or enhances the