How To Fix KG454 - Actual data and reference data must both be posting or special periods

SAP Error Message - Details

• Message type: E = Error

• Message class: KG - CO-PA Planning

• Message number: 454

• Message text: Actual data and reference data must both be posting or special periods

What causes this issue?

If the option "Cumulate periods" has not been selected, then the
periods for actual data and reference data both have to be posting
periods or they both have to be special periods.

System Response

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

How to fix this error?

Enter either posting periods or special periods, but not both.

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 KG454 - Actual data and reference data must both be posting or special periods ?

  The SAP error message KG454 indicates that there is a mismatch between the periods of the actual data and the reference data in a cost object or during a specific transaction. This error typically occurs in the context of controlling (CO) modules, particularly when dealing with actual and planned costs or when performing assessments or distributions.
  Cause:
  The error arises when:
  
  Period Mismatch: The actual data (e.g., costs posted in a specific period) and the reference data (e.g., planned costs or costs from another period) are not both in the same posting period or special period.
  Incorrect Configuration: The configuration settings for the periods in the controlling area may not align with the data being processed.
  Data Entry Errors: There may be errors in the data entry where the periods are not correctly specified.
  
  Solution:
  To resolve the KG454 error, you can take the following steps:
  
  
  Check Posting Periods:
  
  Ensure that both the actual and reference data are in the same posting period or special period. You can do this by reviewing the periods in the relevant transactions or reports.
  
  
  
  Adjust Data:
  
  If you find that the periods do not match, you may need to adjust the data. This could involve changing the posting period of the actual data or the reference data to ensure they align.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the controlling area to ensure that the periods are set up correctly. This includes verifying the fiscal year variant and the settings for special periods.
  
  
  
  Use Correct Transaction Codes:
  
  Make sure you are using the correct transaction codes for the operations you are performing. For example, if you are trying to perform a distribution or assessment, ensure that you are in the correct transaction for that purpose.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on the transaction you are working with. This can provide insights into the expected data formats and requirements.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KSU5 (for assessments), KSV5 (for distributions), and others related to controlling.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional context or solutions.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the cause of the KG454 error and implement a solution to resolve it.