How To Fix FKCHK324 - You must specify a check number when external numbering is used

SAP Error Message - Details

• Message type: E = Error

• Message class: FKCHK - Check Repository Messages

• Message number: 324

• Message text: You must specify a check number when external numbering is used

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 FKCHK324 - You must specify a check number when external numbering is used ?

  The SAP error message FKCHK324 indicates that when using external numbering for document numbering in financial transactions, a check number must be specified. This error typically occurs in the context of processing payments or checks in the SAP system, particularly when dealing with accounts payable or receivable.
  Cause:
  The error arises when:
  
  External Numbering is Configured: The system is set up to use external numbering for checks or payment documents.
  Missing Check Number: The user has not provided a check number in the relevant field when attempting to post a transaction.
  
  Solution:
  To resolve the FKCHK324 error, you can take the following steps:
  
  
  Provide a Check Number:
  
  When you are entering the payment or check details, ensure that you fill in the check number field. This is usually found in the payment document or check processing screen.
  
  
  
  Check Configuration:
  
  If you are responsible for system configuration, verify the settings for external numbering in the relevant configuration area (e.g., transaction code OBPM1 for payment methods).
  Ensure that the external numbering is correctly set up and that the number range is defined properly.
  
  
  
  Review User Input:
  
  Double-check that all required fields are filled out correctly before posting the transaction. This includes ensuring that the check number is not left blank.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on handling external numbering and check processing.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as F110 (Automatic Payment Transactions) and FB60 (Enter Incoming Invoice) where this error might occur.
  Number Ranges: Understand how number ranges are defined in SAP and how they relate to external numbering.
  User Roles: Ensure that the user has the necessary permissions to enter check numbers and process payments.
  
  By following these steps, you should be able to resolve the FKCHK324 error and successfully process your financial transactions in SAP.