How To Fix >3560 - Incorrect check digit determination for contract account numbers

SAP Error Message - Details

• Message type: E = Error

• Message class: >3 - Lock management messages

• Message number: 560

• Message text: Incorrect check digit determination for contract account numbers

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message >3560 - Incorrect check digit determination for contract account numbers ?

  The SAP error message 3560: Incorrect check digit determination for contract account numbers typically occurs when there is an issue with the check digit of a contract account number in the SAP system. This error is often related to the validation of the account number format or the check digit calculation itself.
  Cause:
  
  Invalid Contract Account Number: The contract account number may not conform to the expected format or may contain invalid characters.
  Check Digit Calculation Error: The check digit for the contract account number may have been calculated incorrectly, leading to a mismatch.
  Configuration Issues: There may be issues with the configuration settings in the SAP system that define how contract account numbers and their check digits are generated and validated.
  Data Entry Errors: Manual entry errors when inputting the contract account number can lead to this error.
  
  Solution:
  
  Verify Contract Account Number: Check the contract account number for any typographical errors or invalid characters. Ensure that it follows the correct format as defined in your SAP configuration.
  Recalculate Check Digit: If you have access to the logic used for calculating the check digit, verify that it is being applied correctly. You may need to recalculate the check digit based on the valid digits of the contract account number.
  Check Configuration Settings: Review the configuration settings in the SAP system related to contract account numbers. Ensure that the settings for check digit calculation are correctly defined.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on contract account number formats and check digit calculations.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights specific to your system configuration or version.
  
  Related Information:
  
  Transaction Codes: You may want to check transaction codes related to contract account management, such as FBL1N (Vendor Line Item Display) or FBL3N (G/L Account Line Item Display), to see if the error occurs in specific contexts.
  SAP Notes: Look for relevant SAP Notes that may address this specific error message or provide patches or updates that could resolve the issue.
  User Exits or BAdIs: If your organization has implemented custom logic for contract account management, check if there are any user exits or BAdIs that might be affecting the check digit calculation.
  
  By following these steps, you should be able to identify and resolve the issue related to the SAP error message 3560.