How To Fix /SAPAPO/PR428 - Ex-post forecast carried out

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PR -

• Message number: 428

• Message text: Ex-post forecast carried out

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PR428 - Ex-post forecast carried out ?

  The SAP error message /SAPAPO/PR428 Ex-post forecast carried out typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an attempt to perform a forecast operation that is not allowed due to the presence of an existing ex-post forecast. An ex-post forecast is a forecast that has been generated based on historical data after the fact, and it is often used for analysis and reporting purposes.
  Cause:
  The error is triggered when:
  
  You attempt to create or modify a forecast for a product or location where an ex-post forecast already exists.
  The system is configured to prevent overwriting or modifying existing ex-post forecasts to maintain data integrity.
  
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Review Existing Forecasts: Check if there is indeed an existing ex-post forecast for the product/location in question. You can do this by navigating to the relevant forecasting transaction in SAP APO.
  
  
  Delete or Adjust the Ex-Post Forecast: If the existing ex-post forecast is no longer needed, you can delete it. This can typically be done through the forecasting transaction where you can manage forecasts. Be cautious with this approach, as it may affect reporting and analysis.
  
  
  Use Different Forecasting Methods: If you need to create a new forecast without deleting the existing one, consider using a different forecasting method or strategy that allows for the coexistence of multiple forecasts.
  
  
  Consult Documentation: Review the SAP documentation or help files related to forecasting in APO for specific instructions on handling ex-post forecasts.
  
  
  Check Configuration Settings: If you have access to system configuration, check the settings related to forecasting and ex-post forecasts to see if there are options to allow for modifications or to manage how ex-post forecasts are handled.
  
  
  Contact SAP Support: If the issue persists or if you are unsure about the implications of deleting or modifying forecasts, consider reaching out to SAP support for assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP APO for managing forecasts, such as /SAPAPO/MC90 for forecast management.
  Documentation: Refer to SAP Help Portal or SAP Notes for detailed information on forecasting processes and error messages.
  User Roles: Ensure that you have the appropriate permissions to view and modify forecasts in the system.
  
  By following these steps, you should be able to address the /SAPAPO/PR428 Ex-post forecast carried out error effectively.