How To Fix KG402 - Historic period must be before forecast period

SAP Error Message - Details

• Message type: E = Error

• Message class: KG - CO-PA Planning

• Message number: 402

• Message text: Historic period must be before forecast period

What causes this issue?

The "To" period of the past time interval is larger than the "From"
period of the time interval you are planning.

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 past time interval so that it falls before the interval
being planned.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KG402 - Historic period must be before forecast period ?

  The SAP error message KG402 ("Historic period must be before forecast period") typically occurs in the context of planning and forecasting within SAP, particularly in modules like SAP Controlling (CO) or SAP Integrated Business Planning (IBP). This error indicates that there is a mismatch in the time periods being used for historical data and forecast data.
  Cause:
  The error arises when the system detects that the historical data period you are trying to use is not before the forecast period. For example, if you are trying to create a forecast for the year 2024 but are referencing historical data from 2024 or later, the system will throw this error.
  Solution:
  To resolve the KG402 error, you can take the following steps:
  
  
  Check Time Periods: Ensure that the historical data you are referencing is indeed from a period that precedes the forecast period. For example, if your forecast is for 2024, make sure the historical data is from 2023 or earlier.
  
  
  Adjust Planning Settings: If you are using planning versions or scenarios, verify that the settings are correctly configured to use the appropriate historical data.
  
  
  Review Data Input: Double-check the data input in your planning application. Make sure that the periods selected for historical data are correct and that there are no typos or incorrect selections.
  
  
  Consult Documentation: Refer to the SAP documentation or help files related to the specific planning tool you are using. There may be additional configuration settings or requirements that need to be addressed.
  
  
  System Configuration: If you have access to system configuration, check if there are any settings related to the planning horizon or time periods that may need adjustment.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance.
  
  
  Related Information:
  
  Planning Versions: In SAP, different planning versions can be used to manage different scenarios. Ensure that the version you are using is set up correctly.
  Time Series Data: Understanding how SAP handles time series data can help in troubleshooting similar issues in the future.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context or fixes.
  
  By following these steps, you should be able to resolve the KG402 error and successfully proceed with your forecasting activities in SAP.