For &1 warning rule "Do not overwrite receiving field" broken (&2)

What causes this issue?

An existing value has been overwritten in the receiver field.
(Previous content: &V2&).

System Response

In the receiver condition record for attribute &V1&, the value 'error'
has been stored in the <DS:DE.DRVNV>Overwrite recipient</> field.
The derivation is assigned the status 'With errors'. If the derivation
is static, it is saved and the receiving batch and its class
characteristics are changed.

How to fix this error?

Check the value of attribute &V1&.
If necessary, correct it manually in the receiving batch (for static
derivations only).

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.