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

AR126 - Overview

• 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

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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AR126 - Details

• 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