How To Fix KH604 - Aggregation over time is not possible for special periods

KH604 - Overview

• Message type: E = Error

• Message class: KH - CO-PA Reporting

• Message number: 604

• Message text: Aggregation over time is not possible for special periods

What causes this issue?

You specified an aggregation rule that requires the number of calendar
or factory calendar days for each period to be calculable (either
"Average weighted by calendar days" or "Average weighted by factory
calendar days).

System Response

The system determined that the reporting period includes special
periods that do not permit this.

How to fix this error?

For key figures with the aggregation rule "Average by calendar days" or
"Average by factory calendar days", you need to change the timeframe
you want to analyze so that it only contains normal posting periods.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KH604 - Aggregation over time is not possible for special periods ?

  The SAP error message KH604, which states "Aggregation over time is not possible for special periods," typically occurs in the context of SAP Controlling (CO) when you are trying to perform a time-based aggregation (like reporting or analysis) that involves special periods (e.g., periods that are not standard monthly periods).
  
  Cause:
  The error arises because special periods in SAP are designed for specific purposes, such as year-end closing or adjustments, and they do not support standard time-based aggregations. This limitation is due to the way SAP handles data in special periods, which are treated differently from regular periods.
  
  Solution:
  To resolve the KH604 error, consider the following approaches:
  
  
  Use Standard Periods: If possible, adjust your reporting or analysis to use standard periods instead of special periods. This may involve changing the selection criteria in your report or analysis.
  
  
  Adjust the Reporting Logic: If you need to include special periods in your analysis, you may need to