The exchange partner & is not assigned to company code &

What causes this issue?

The error occurs because the exg partner (Customer record) &v1&
is not assigned to the same comany code as the exchange partner
(vendor record).
- The exchange partner vendor record is &v4&.
- The exchange partner customer record is &v1&.
- The purch organization &v3& is linked to company code &v2&.

System Response

The exg partner (customer record) must be created in a sales
organization that is assigned to the same company code of the exg
partner vendor record.

How to fix this error?

Check that you have entered the correct exchange partner and/or purch
organization for this Negotiated payment.

Error message extract from SAP system. Copyright SAP SE.