How To Fix FQ819 - Different field content in field &1 (reference "&2", new document "&3")

FQ819 - Overview

• Message type: E = Error

• Message class: FQ - Payment Requests and Payment Program

• Message number: 819

• Message text: Different field content in field &1 (reference "&2", new document "&3")

What causes this issue?

The content of field &V1& in the request you are creating is different
from the corresponding field content in the reference request:
Reference: &V2&
New request: &V3&
This field must match in the reference document and new document.

System Response

Further processing is not possible.

How to fix this error?

Check the document number of the reference request.

Error message extract from SAP system. Copyright SAP SE.

FQ819 - Details

• The SAP error message FQ819 indicates that there is a discrepancy in the content of a specific field between a reference document and a new document being processed. This error typically arises during the posting of financial documents, such as invoices or payments, where certain fields must match between the reference document and the new document.
  
  Cause:
  The error occurs when the content of a specified field (denoted as &1 in the error message) does not match the content in the reference document (denoted as &2) and the new document (denoted as &3). This can happen due to various reasons, including:
  
  Data Entry Errors: Manual entry of data in the new document may have introduced discrepancies.
  
  Configuration Issues: The system may be configured to enforce strict matching rules for certain fields, and if the new document does not comply, the error will be triggered.
  Changes in Master Data: If the reference document was created based