No valid sales area exists for payer &1

What causes this issue?

Debit-side data for condition granter &V2& is needed for debit-side
settlement at company code level.
The system found that no sales area is assigned to payer &v1&, who is
assiged to the condition granter. This assignment is needed if
settlement accounting is to be performed correctly.

System Response

The system does not carry out debit-side settlement at company code
level.

How to fix this error?

Enter a valid sales area for condition granter &V1&. When doing this,
use a sales organization for company code &V3&.

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.