How To Fix FZ394 - Document & & &: Invoice reference changed by BTE 00001820 to &

SAP Error Message - Details

• Message type: E = Error

• Message class: FZ - Payment Transactions

• Message number: 394

• Message text: Document & & &: Invoice reference changed by BTE 00001820 to &

Self-Explanatory Message

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• What is the cause and solution for SAP error message FZ394 - Document & & &: Invoice reference changed by BTE 00001820 to & ?

  The SAP error message FZ394 indicates that an invoice reference has been changed by a Business Transaction Event (BTE) with the identifier 00001820. This typically occurs during the processing of financial documents, particularly in the context of invoice processing or payment transactions.
  Cause:
  
  BTE Implementation: The BTE 00001820 is a user exit that allows for modifications to be made to the invoice reference during processing. This can be triggered by custom logic implemented in the BTE, which may change the reference for various reasons, such as business rules or data validation.
  Data Integrity Issues: The change in the invoice reference may be due to inconsistencies or issues in the data being processed, such as duplicate references or invalid formats.
  Configuration Settings: Certain configuration settings in the SAP system may lead to automatic changes in invoice references based on predefined rules.
  
  Solution:
  
  Review BTE Implementation: Check the implementation of BTE 00001820 to understand what logic is being applied. If the changes are not intended, you may need to modify or remove the custom logic.
  Data Validation: Ensure that the data being processed is valid and does not contain duplicates or errors that could trigger the BTE to change the reference.
  Configuration Check: Review the configuration settings related to invoice processing and payment transactions to ensure they align with your business requirements.
  Debugging: If necessary, use debugging tools in SAP to trace the execution of the BTE and identify the exact point where the reference is being changed.
  Consult Documentation: Refer to SAP documentation or notes related to BTE 00001820 for any known issues or additional guidance.
  
  Related Information:
  
  BTE (Business Transaction Events): These are points in the SAP system where custom logic can be executed during standard processing. They allow for enhancements without modifying the standard code.
  SAP Notes: Check SAP Notes for any updates or patches related to this error message or BTE 00001820.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE37 (Function Module), SE80 (Object Navigator), and SLG1 (Application Log) for debugging and analysis.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.