How To Fix BF00409 - Rule for bank key is 1 - specify length of bank number

SAP Error Message - Details

• Message type: E = Error

• Message class: BF00 - FI: Application base reports

• Message number: 409

• Message text: Rule for bank key is 1 - specify length of bank number

Self-Explanatory Message

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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 BF00409 - Rule for bank key is 1 - specify length of bank number ?

  The SAP error message BF00409 indicates that there is an issue with the bank key configuration in the system. Specifically, it suggests that the system expects a certain length for the bank number based on the bank key rule defined in the configuration, but the provided bank number does not meet this requirement.
  Cause:
  
  Bank Key Configuration: The bank key rules in the SAP system are set up to define how bank numbers should be formatted. If the bank number you are trying to enter does not match the expected length or format defined by the bank key rule, this error will occur.
  Incorrect Bank Number: The bank number you are entering may be too short or too long compared to what is defined in the system.
  Missing Configuration: There may be a missing or incorrect configuration in the bank key settings that does not align with the bank number you are trying to use.
  
  Solution:
  
  
  Check Bank Key Configuration:
  
  Go to the transaction code OBY6 (or the relevant transaction for your version) to check the bank key configuration.
  Verify the settings for the bank key in question, particularly the length and format of the bank number.
  Ensure that the bank key rule is correctly defined to match the bank number you are trying to enter.
  
  
  
  Validate Bank Number:
  
  Ensure that the bank number you are entering adheres to the expected length and format as defined in the bank key configuration.
  If necessary, adjust the bank number to meet the required specifications.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP administrator to understand the specific requirements for bank key and bank number configurations in your system.
  
  
  
  Testing:
  
  After making any changes, test the entry again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OBY6 (for bank key configuration) and FI12 (for bank master data).
  SAP Notes: Check for any SAP Notes related to bank key configurations and error messages for additional guidance or patches.
  User Roles: Ensure that you have the necessary permissions to make changes to bank key configurations in the system.
  
  If the issue persists after checking the configuration and validating the bank number, it may be beneficial to reach out to your SAP support team for further assistance.