How To Fix SPRX108 - Objects to be changed from external namespaces:

SPRX108 - Overview

• Message type: E = Error

• Message class: SPRX - Proxy Generation

• Message number: 108

• Message text: Objects to be changed from external namespaces:

What causes this issue?

From this point, the check list contains proxy objects that do not
belong to the namespace of the currently selected object.

System Response

These objects are not changed or created while editing the currently
selected objects.
Reasons:
Objects are possibly subject to different naming conventions to the
object currently being edited
Objects are possibly located in different software components and cannot
be created or changed in this system

How to fix this error?

Contact the development area responsible for these external namespaces
and do the following:
Regenerate the objects concerned in the relevant original system
Transport these objects to this system

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.

SPRX108 - Details

• The SAP error message SPRX108 indicates that there are objects in your SAP system that are being modified or created in an external namespace, which is not allowed under certain conditions. This typically occurs when you are trying to make changes to objects that are not part of the standard or your own development namespace.
  
  Cause:
  
  Namespace Restrictions: SAP has a defined namespace for standard objects (like SAP's own development objects) and allows custom development in specific namespaces (like Z or Y). If you attempt to modify or create objects in an external namespace (like SAP's standard namespace), you will encounter this error.
  Transport Layer Issues: If you are working in a transport layer that does not allow changes to certain namespaces, this error can occur.
  Development Class Issues: The development class of the object you are trying to change may not allow modifications in the external namespace.
  
  
  Solution:
  
  Check Namespace: Ensure that you are working