How To Fix WTADDI_APPL022 - Procedure for additionals &1 is valid for supplier &2

WTADDI_APPL022 - Overview

• Message type: E = Error

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

• Message number: 022

• Message text: Procedure for additionals &1 is valid for supplier &2

What causes this issue?

The <DS:GLOS.3526BC3AAFAB52B9E10000009B38F974>procedure for additionals
</> &V1& has been defined so that the additional is only to be taken
into consideration if an appropriate assignment has been maintained for
the vendor.
The assignment for vendor &V2& for purchasing organization &V3& and
vendor sub-range &V4& already exists.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WTADDI_APPL022 - Procedure for additionals &1 is valid for supplier &2 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WTADDI_APPL022: Procedure for additionals &1 is valid for supplier &2
  
  Meaning / 
  Cause:
  This message typically occurs in the context of Withholding Tax (WHT) configuration or processing in SAP. It indicates that the Withholding Tax procedure (referred to as "procedure for additionals") you are trying to assign or use is already valid or assigned for the specified supplier.
  In other words, the system is informing you that the withholding tax procedure you are attempting to apply is already valid for the supplier mentioned in the message. This can happen if you try to assign a withholding tax procedure to a supplier where it is already assigned or if there is a conflict in the configuration.
  
  When does it occur?
  
  During vendor master data maintenance (e.g., when assigning withholding tax procedures to a vendor).
  While configuring or changing withholding tax procedures for suppliers.
  During invoice posting or