Supplier billing document type &1 not defined

What causes this issue?

Billing document type &V1& does not exist in the system.
Document type &V1& is assigned to rebate arrangement type &V2&
(subsequent settlement) for partial or final settment.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Maintain settlement document type &V1& or assign a different settlement
document type to rebate arrangement type &V2&.
IF &DEVICE&='SCREEN'
<DS:SIMG.W_WLFA_0004>Settlement document types</>
<DS:SIMG.SIMG_CFMENUOLMEOMHD>Define rebate arrangement types</>
ENDIF

Error message extract from SAP system. Copyright SAP SE.