How To Fix /ACCGO/NS_STL002 - Washout not possible; customer and vendor entered do not match

/ACCGO/NS_STL002 - Overview

• Message type: E = Error

• Message class: /ACCGO/NS_STL -

• Message number: 002

• Message text: Washout not possible; customer and vendor entered do not match

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ACCGO/NS_STL002 - Washout not possible; customer and vendor entered do not match ?

  The SAP error message /ACCGO/NS_STL002 Washout not possible; customer and vendor entered do not match typically occurs in the context of financial transactions, particularly when dealing with washout processes in the SAP system. This error indicates that there is a mismatch between the customer and vendor information in the transaction you are trying to process.
  
  Cause:
  
  
  Mismatched Master Data: The customer and vendor accounts involved in the transaction do not correspond to each other. This could happen if:
  
  The customer account is not linked to the vendor account in the system.
  The accounts are set up in different company codes or business areas.
  There is a data entry error where the wrong customer or vendor is selected.
  
  
  
  Incorrect Transaction Type: The transaction type being processed may not support washout for the specific combination of customer and vendor.
  
  
  
  Configuration Issues: There may be configuration settings in the SAP system that prevent the washout process from being executed for