How To Fix FKCHK303 - Check number &1 has already been assigned - choose another number

SAP Error Message - Details

• Message type: E = Error

• Message class: FKCHK - Check Repository Messages

• Message number: 303

• Message text: Check number &1 has already been assigned - choose another number

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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Smart SAP Assistant

• What is the cause and solution for SAP error message FKCHK303 - Check number &1 has already been assigned - choose another number ?

  The SAP error message FKCHK303 indicates that a check number you are trying to use has already been assigned in the system. This typically occurs when you are processing payments or creating checks in the SAP system, and the check number you are attempting to use is already in use for another transaction.
  Cause:
  
  Duplicate Check Number: The check number you are trying to enter has already been assigned to another payment or check.
  Check Number Range: The check number may fall within a range that has already been utilized.
  Configuration Issues: There may be issues with the configuration of the check number ranges in the system.
  
  Solution:
  
  Use a Different Check Number: The simplest solution is to choose a different check number that has not been used yet.
  Check Number Assignment: Review the check number assignment in the system to ensure that the number you are trying to use is indeed available.
  Check Number Range Configuration: 
  
  Go to the configuration settings for check number ranges in SAP (Transaction Code: OBAS or OBBG).
  Verify that the number range is correctly defined and that there are no gaps or overlaps.
  
  
  Review Payment Documents: Check the payment documents to see if the check number has been mistakenly reused or if there are any pending transactions that might be using the same number.
  Consult with SAP Basis or Functional Team: If you are unable to resolve the issue, consult with your SAP Basis or functional team to investigate further. They may need to check the database for any inconsistencies or perform adjustments.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as F110 (Automatic Payment Transactions) and FBZP (Maintain Automatic Payment Transactions) for managing payment processes.
  Documentation: Review SAP documentation or help files related to payment processing and check management for additional guidance.
  User Exits or BAdIs: If your organization has custom developments, check if there are any user exits or BAdIs that might affect check number assignment.
  
  By following these steps, you should be able to resolve the FKCHK303 error and continue with your payment processing in SAP.