SPRX111 - Objects from other namespaces cannot be changed. See long text

SAP Error Message - Details

• Message type: E = Error

• Message class: SPRX - Proxy Generation

• Message number: 111

• Message text: Objects from other namespaces cannot be changed. See long text

What causes this issue?

The object to be changed originates from a different namespace to the
main object currently being edited. It cannot be changed during editing
for the following reasons:
Object is possibly located in a different package to the object
currently being edited
Object is possibly subject to different naming conventions to the object
currently being edited
Objects is possibly located in a different software component 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:
Change the object concerned in the original system
Transport the object to this system

Error message extract from SAP system. Copyright SAP SE.