Object &1 &2 belongs to technical Content; changes will be overwritten

What causes this issue?

The object&V1&&V2& is part of the technical content.

System Response

The active SAP version is also part of the technical content; this is
not the case with BI Content. SAP reserves the right to change the
active version of the object during an upgrade or in a support package
and to overwrite any changes made by customers.

How to fix this error?

Do not change the object. If you do change the object, make a copy of it
in the customer namespace before you make any changes.

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.