How To Fix MN421 - Value & of "Rebate settlement" field for billing doc. type & not allowed

MN421 - Overview

• Message type: E = Error

• Message class: MN - Message class for subsequent settlement (Purchasing)

• Message number: 421

• Message text: Value & of "Rebate settlement" field for billing doc. type & not allowed

What causes this issue?

Billing document type &V2& is assigned to arrangement type &V4&
("subsequent settlement") via sales document type &V3& of arrangement
type &V4& for partial or final settlement. The indicator controls
whether a customer billing document type &V2& is permitted for partial
or full settlement.
Indicator &V1& is not permitted.

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?

Choose one of the following options:
Maintain the field <LS>Rebate settlement</> for billing document type
&V2&, or
Assign a suitable sales and billing document type to arrangement type
&V4&.
Note that you can store a sales document type and thus a billing
document type under the arrangement type both for partial and interim
settlements as well as for final settlements.
If the billing document type is used for final settlements, set the
<LS>Rebate settlement</> field to the value "A". If it is used for
partial or interim settlements, set it to "C".
INCLUDE 'NA_CUST_MAINTAIN' OBJECT DOKU ID TX

<DS:SIMG.SIMG_CFMENUOLSDVOFA>Define billing document types</>
<DS:SIMG.SIMG_CFMENUOLSDVOV8>Define sales document types</>
<DS:SIMG.SIMG_CFMENUOLMEOMHD>Define rebate arrangement types for
subsequent settlement</>
ENDIF

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MN421 - Value & of "Rebate settlement" field for billing doc. type & not allowed ?

  The SAP error message MN421 indicates that there is an issue with the "Rebate settlement" field for a specific billing document type. This error typically arises when the system encounters a value in the rebate settlement field that is not permitted for the specified billing document type.
  
  Cause:
  
  Incorrect Configuration: The billing document type may not be configured to allow rebate settlements. This can happen if the settings in the SAP system do not align with the business processes or if the document type is not set up to handle rebates.
  Invalid Value: The value entered in the "Rebate settlement" field may not be valid for the specific billing document type. This could be due to a typo or an incorrect selection from a dropdown.
  Missing Authorizations: The user may not have the necessary authorizations to perform rebate settlements for the specified billing document type.
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings for billing document types