How To Fix WTADDI_APPL023 - Procedure for additionals &1 is not intended for supplier &2

WTADDI_APPL023 - Overview

• Message type: E = Error

• Message class: WTADDI_APPL - Messages for Application Log LO-ADM/APPL

• Message number: 023

• Message text: Procedure for additionals &1 is not intended for supplier &2

What causes this issue?

In Customizing for <DS:GLOS.3526BC3AAFAB52B9E10000009B38F974>procedure
for additional</> &V1&, it has been defined that an additional is only
to be taken into consideration is the method is assigned to a vendor.
&system_response&
Method &V1& has not been assigned to vendor &V2& for purchasing
organization &V3& and vendor sub-range &V4&. Therefore, the additional
is not taken into consideration.

How to fix this error?

Maintain the <DS:TRAN.WTAD_SUP_FM_CHANGE>assignment of procedure for
additional and vendor</>.
After having done this, you must process the current document once
more.

Error message extract from SAP system. Copyright SAP SE.

WTADDI_APPL023 - Details

• Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WTADDI_APPL023: Procedure for additionals &1 is not intended for supplier &2
  
  Meaning / 
  Cause:
  This error occurs in the context of Withholding Tax (WHT) processing in SAP, specifically when dealing with additional withholding tax procedures.
  
  The system is trying to apply a withholding tax procedure (referred to as "additionals") to a supplier.
  However, the withholding tax procedure configured (identified by &1) is not assigned or valid for the supplier (&2) in question.
  This usually means that the withholding tax procedure is either not maintained or not allowed for the vendor master record or the country/company code combination of the supplier.
  
  
  Common Causes:
  
  Incorrect or missing assignment of withholding tax procedure to the vendor master data.
  The withholding tax procedure is not maintained or activated for the country or company code of the supplier.
  The vendor is not flagged for withholding tax or the withholding tax type/procedure is not