How To Fix >1646 - IBAN was changed

>1646 - Overview

• Message type: E = Error

• Message class: >1 - Shockwave SAPGUI message handling

• Message number: 646

• Message text: IBAN was changed

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 >1646 - IBAN was changed ?

  The SAP error message "1646 IBAN was changed" typically occurs in the context of financial transactions, particularly when dealing with bank account information. This error indicates that the International Bank Account Number (IBAN) associated with a vendor or customer has been modified, which can lead to inconsistencies or issues in processing payments or transactions.
  
  Cause:
  
  Manual Changes: The IBAN may have been manually changed in the vendor or customer master data.
  Data Migration: During data migration or updates, the IBAN might have been altered unintentionally.
  Regulatory Changes: Changes in banking regulations or requirements may necessitate updates to IBANs.
  System Updates: Updates or patches to the SAP system may inadvertently affect how IBANs are stored or validated.
  
  
  Solution:
  
  Verify IBAN: Check the vendor or customer master data to ensure that the IBAN is correct and conforms to the expected format.
  Re-enter IBAN: If the IBAN has been changed, re-enter the correct IBAN in the master data.
  Check for Duplicates: Ensure