& generated, no changes possible

What causes this issue?

The object &V1& has been generated by function &V2&. It can only be
changed by the function which generated it &V2&.

System Response

The function terminates.

How to fix this error?

View table TDEVC for function &V2&. There, you will find the name of
the person responsible and a short description.
The documentation for message &V4& from message ID &V3& contains a
detailed description of the function.

Error message extract from SAP system. Copyright SAP SE.