How To Fix NAA479 - Settlement accounting already performed for period (comparison not poss.)

SAP Error Message - Details

• Message type: E = Error

• Message class: NAA - Subsequent settlement (Purchasing)

• Message number: 479

• Message text: Settlement accounting already performed for period (comparison not poss.)

What causes this issue?

The period condition of arrangement &V3& for settlement date &V1& has
already been settled.

System Response

A business volume comparison for this date is not possible.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message NAA479 - Settlement accounting already performed for period (comparison not poss.) ?

  The SAP error message NAA479 indicates that a settlement accounting process has already been performed for a specific period, which prevents any further comparison or adjustments for that period. This error typically arises in the context of Asset Accounting (FI-AA) or similar modules where settlements are processed.
  Cause:
  
  Settlement Already Completed: The primary cause of this error is that the settlement for the specified period has already been executed. Once a settlement is completed, the system locks that period for further changes or comparisons.
  Period Locking: The accounting period may be closed, preventing any further postings or adjustments.
  Configuration Issues: There may be configuration settings that restrict changes to settled periods.
  
  Solution:
  
  Check Settlement Status: Verify if the settlement has indeed been completed for the period in question. You can do this by checking the settlement documents or reports in the Asset Accounting module.
  Open the Period: If adjustments are necessary, you may need to open the accounting period again. This typically requires authorization and should be done with caution, as it can affect financial reporting.
  Consult with Finance Team: Discuss with your finance or accounting team to understand the implications of reopening a period and whether it is necessary to make adjustments.
  Use Transaction Codes: Utilize relevant transaction codes (like AW01N for asset explorer) to review the asset and its settlement history.
  Review Configuration: If this issue occurs frequently, review the configuration settings in the Asset Accounting module to ensure they align with your business processes.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to Asset Accounting, such as:
  
  AW01N: Asset Explorer
  ABAVN: Unplanned Depreciation
  ABT1N: Transfer within Company Code
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional insights or solutions.
  Documentation: Review SAP documentation for Asset Accounting to understand the settlement process and its implications on financial reporting.
  
  Best Practices:
  
  Regular Monitoring: Regularly monitor settlements and ensure that all necessary adjustments are made before closing periods.
  Training: Ensure that users involved in the settlement process are adequately trained to avoid premature settlements.
  Backup: Always back up data before making significant changes to settled periods.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.