How To Fix /PF1/MSG_PO_GENERAL166 - Reference IBAN was substituted from &1 to &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_PO_GENERAL -

• Message number: 166

• Message text: Reference IBAN was substituted from &1 to &2

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/MSG_PO_GENERAL166 - Reference IBAN was substituted from &1 to &2 ?

  The SAP error message /PF1/MSG_PO_GENERAL166 indicates that there is an issue with the International Bank Account Number (IBAN) being used in a purchase order or related financial transaction. The message states that the IBAN reference has been substituted from one value (&1) to another (&2), which typically means that the system has detected an inconsistency or error in the IBAN format or its validity.
  Cause:
  
  Invalid IBAN Format: The original IBAN may not conform to the expected format, which includes the correct length and structure for the specific country.
  Incorrect IBAN: The IBAN provided may not correspond to a valid bank account.
  Configuration Issues: There may be issues in the configuration of the IBAN validation settings in the SAP system.
  Data Entry Errors: Manual entry errors when inputting the IBAN can lead to discrepancies.
  
  Solution:
  
  Verify IBAN: Check the original IBAN (&1) for correctness. Use an IBAN validation tool or refer to the official IBAN structure for the relevant country.
  Update IBAN: If the IBAN is incorrect, update it with the correct value (&2) in the relevant master data (e.g., vendor master data).
  Check Configuration: Review the configuration settings related to IBAN validation in the SAP system. Ensure that the system is set up to recognize and validate IBANs correctly.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on handling IBANs and related error messages.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting with SAP experts for further assistance.
  
  Related Information:
  
  IBAN Structure: Each country has a specific IBAN format. Ensure that the IBAN adheres to the correct structure for the country in question.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide updates related to IBAN handling.
  Transaction Codes: Familiarize yourself with transaction codes related to vendor master data (e.g., XK01, XK02) to make necessary changes.
  Testing: After making changes, test the transaction again to ensure that the error does not reoccur.
  
  By following these steps, you should be able to resolve the error message and ensure that the IBAN used in your SAP transactions is valid and correctly formatted.