How To Fix FS542 - Inconsistency: Check number & has already been allocated

SAP Error Message - Details

• Message type: E = Error

• Message class: FS - Messages from Tax Routines / Prenumbered Checks

• Message number: 542

• Message text: Inconsistency: Check number & has already been allocated

What causes this issue?

The check number is already listed in the payment transfer medium file
although it has not yet been noted in the accompanying check lot as
allocated.

How to fix this error?

Correct the check number status. If the error occurred during
renumbering, then the error is very serious and requires an exact
analysis with a careful comparison of the check numbers and the check
information (for the ranges to be renumbered).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FS542 - Inconsistency: Check number & has already been allocated ?

  The SAP error message FS542, which states "Inconsistency: Check number & has already been allocated," typically occurs in the context of financial transactions involving checks. This error indicates that the check number you are trying to use has already been assigned to another transaction, leading to a conflict.
  Cause:
  
  Duplicate Check Number: The check number you are trying to use has already been allocated to a different payment or transaction in the system.
  Incorrect Configuration: The check number range may not be properly configured, leading to overlaps or inconsistencies.
  Data Entry Error: Manual entry errors where the same check number is entered multiple times.
  System Issues: Potential issues with the database or application logic that may cause the system to incorrectly recognize the check number as already allocated.
  
  Solution:
  
  
  Check Existing Allocations: Verify if the check number is indeed allocated to another transaction. You can do this by checking the relevant tables or using transaction codes like FCHN (Check Management) or FBL1N (Vendor Line Item Display).
  
  
  Use a Different Check Number: If the check number is already in use, select a different check number that is not allocated.
  
  
  Review Check Number Ranges: Ensure that the check number ranges are correctly configured in the system. You can check this in the configuration settings under Financial Accounting (FI) > Bank Accounting > Check Management > Define Check Number Ranges.
  
  
  Clear Inconsistencies: If you suspect that there is a system inconsistency, you may need to run a program or transaction to clear inconsistencies. Consult with your SAP Basis or technical team for assistance.
  
  
  Consult Documentation: Review SAP documentation or notes related to check management and error FS542 for any specific guidance or patches that may address the issue.
  
  
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FCHN (Check Management), FBL1N (Vendor Line Item Display), and FB03 (Display Document) to investigate the issue further.
  Check Management Configuration: Understanding how check management is configured in your SAP system can help prevent similar issues in the future.
  User Roles and Permissions: Ensure that users have the appropriate roles and permissions to manage check numbers and related transactions.
  
  By following these steps, you should be able to identify the cause of the FS542 error and implement a solution to resolve it.