How To Fix AR126 - Bank control key and bank account number do not match

SAP Error Message - Details

• Message type: E = Error

• Message class: AR - SSRV function module messages

• Message number: 126

• Message text: Bank control key and bank account number do not match

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AR126 - Bank control key and bank account number do not match ?

  The SAP error message AR126 indicates that there is a mismatch between the bank control key and the bank account number in the system. This error typically occurs during the processing of financial transactions, such as when trying to post a payment or create a bank master record.
  Cause:
  
  Incorrect Bank Control Key: The bank control key specified in the transaction does not correspond to the bank account number being used.
  Configuration Issues: The bank account may not be properly configured in the system, or the control key may not be correctly assigned to the bank account.
  Data Entry Errors: There may be typographical errors in the bank account number or control key during data entry.
  Master Data Issues: The bank master data may not be correctly maintained, leading to inconsistencies.
  
  Solution:
  
  
  Verify Bank Control Key and Account Number:
  
  Check the bank control key and ensure it is correctly assigned to the bank account number in the relevant configuration settings.
  Use transaction code FI12 to check the bank master data and ensure that the control key is correctly linked to the account.
  
  
  
  Correct Configuration:
  
  If the bank account is not configured correctly, you may need to create or modify the bank master record using transaction code FI01 (Create Bank) or FI02 (Change Bank).
  Ensure that the bank control key is valid and corresponds to the correct bank account.
  
  
  
  Data Entry Review:
  
  Review the data entry for any typographical errors. Ensure that the bank account number and control key are entered correctly in the transaction.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or your organization's internal guidelines for the correct setup of bank accounts and control keys.
  
  
  
  Testing:
  
  After making the necessary corrections, test the transaction again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Bank Control Key: This is a key that defines how the bank account is used in transactions. It can determine various settings such as payment methods, currency, and other financial parameters.
  Bank Master Data: This includes all relevant information about a bank, such as its name, address, and account details. Proper maintenance of this data is crucial for financial transactions.
  Transaction Codes:
  
  FI12: Display/Change Bank Master Data
  FI01: Create Bank Master Data
  FI02: Change Bank Master Data
  
  
  
  If the issue persists after following these steps, it may be necessary to consult with your SAP support team or a functional consultant for further assistance.