How To Fix KX426 - Time-based aggregation rule changed from &1 to &2

SAP Error Message - Details

• Message type: E = Error

• Message class: KX - EC-EIS/EC-BP: Data basis, data collection

• Message number: 426

• Message text: Time-based aggregation rule changed from &1 to &2

What causes this issue?

The aggregation rule for this key figure in combination with
characteristics with a time dimension needs to be changed.

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?

Change the time-based aggregation for the key figure.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KX426 - Time-based aggregation rule changed from &1 to &2 ?

  The SAP error message KX426 indicates that there has been a change in the time-based aggregation rule for a particular characteristic in a controlling area or a controlling object. This message typically arises in the context of Profitability Analysis (CO-PA) or other controlling modules where time-based aggregation rules are applied to data.
  Cause:
  The error message KX426 is triggered when:
  
  A time-based aggregation rule for a characteristic has been modified, which can happen due to changes in configuration or settings in the system.
  The system detects that the aggregation rule has changed from one value (&1) to another (&2), which may lead to inconsistencies in how data is aggregated over time.
  
  Solution:
  To resolve the KX426 error, you can take the following steps:
  
  
  Review Changes: Check the configuration settings for the time-based aggregation rules in the relevant controlling area or object. Identify what changes were made and why.
  
  
  Consistency Check: Ensure that the changes made to the aggregation rules are consistent with the existing data and reporting requirements. If the changes are not intended, you may need to revert to the previous settings.
  
  
  Data Consistency: If the change is intentional, ensure that the existing data is compatible with the new aggregation rule. You may need to reprocess or adjust historical data to align with the new rule.
  
  
  Testing: After making any changes, conduct thorough testing to ensure that the new aggregation rules work as expected and do not lead to further errors.
  
  
  Documentation: Document any changes made to the aggregation rules and the rationale behind them. This can help in future troubleshooting and understanding the impact of changes.
  
  
  Consult SAP Notes: Check for any relevant SAP Notes or documentation that may provide additional insights or solutions related to this error message.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OKKP (for controlling area settings) or KSV1 (for defining time-based aggregation rules) to access and modify the relevant settings.
  SAP Help Portal: The SAP Help Portal can provide detailed documentation on controlling and profitability analysis, including time-based aggregation rules.
  Support: If the issue persists, consider reaching out to SAP support or consulting with a functional consultant who specializes in SAP Controlling (CO) for further assistance.
  
  By following these steps, you should be able to address the KX426 error and ensure that your time-based aggregation rules are correctly configured and functioning as intended.