Value &1 of "Sett. type, supplier b/doc." field of b/doc. type &3 invalid

What causes this issue?

Settlement document type &V3& is assigned to rebate arrangement type
&V4& (subsequent settlement) for partial or final settlement. An
indicator is used to control whether a settlement document type is
permitted for partial or final settlement.
Indicator &V1& (&V2&) is not permitted.

System Response

INCLUDE ISR_STOP

How to fix this error?

Choose one of the following options:

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

Maintain field <LS>Settlement type supplier billing document</> of
settlement document type &V3& or
Assign a suitable settlement document type to rebate arrangement type
&V4&
Note that you can create a separate settlement document type for the
rebate arrangement type for partial/interim settlement and for final
settlement.
If the settlement document type for final settlement is used, enter 'A'
in the <LS>Volume rebate settlement</> field, enter 'C' for partial or
interim settlement.
INCLUDE 'NA_CUST_MAINTAIN' OBJECT DOKU ID TX
IF &DEVICE&='SCREEN'
<DS:SIMG.SIMG_CMMENUOLMEABREC>Control of the "Subsequent Settlement"
Process</>
<DS:SIMG.SIMG_CFMENUOLMEOMHD>Define rebate arrangement types for
subsequent settlement</>
ENDIF

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.