How To Fix PR411 - No ex-post forecast possible

SAP Error Message - Details

• Message type: E = Error

• Message class: PR - Forecast: Help messages

• Message number: 411

• Message text: No ex-post forecast possible

What causes this issue?

The number of historical values was sufficient for the system to be
able to carry out model initialization, but not to carry out an ex-post
forecast.
For more information, see the Extended Help.

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?

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 PR411 - No ex-post forecast possible ?

  The SAP error message PR411 "No ex-post forecast possible" typically occurs in the context of planning and forecasting within the SAP system, particularly in the areas of production planning and control (PP) or sales and operations planning (SOP). This error indicates that the system is unable to generate an ex-post forecast due to certain conditions not being met.
  Causes of PR411 Error
  
  
  Missing Historical Data: The system requires historical data to create an ex-post forecast. If there is insufficient or no historical data available for the specified period, the forecast cannot be generated.
  
  
  Incorrect Planning Parameters: The planning parameters or settings may not be configured correctly. This includes settings related to the forecast model, planning version, or time periods.
  
  
  Data Consistency Issues: There may be inconsistencies in the data, such as missing key figures or incorrect data entries that prevent the forecast from being calculated.
  
  
  Time Period Issues: The time period for which the forecast is being requested may not align with the available data. For example, if the forecast is requested for a future period without historical data to support it.
  
  
  Master Data Issues: Problems with master data, such as material master records or customer master records, can also lead to this error.
  
  
  Solutions to PR411 Error
  
  
  Check Historical Data: Ensure that there is sufficient historical data available for the item or product for which the forecast is being generated. If necessary, populate the historical data.
  
  
  Review Planning Parameters: Verify the planning parameters and settings in the forecasting configuration. Ensure that the correct forecast model and planning version are being used.
  
  
  Data Consistency Check: Perform a data consistency check to identify and correct any inconsistencies in the data. This may involve checking key figures and ensuring that all necessary data is available.
  
  
  Adjust Time Periods: Make sure that the time period for which the forecast is being requested has corresponding historical data. If not, adjust the time period accordingly.
  
  
  Master Data Review: Check the relevant master data for completeness and accuracy. Ensure that all necessary fields are filled out correctly.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the forecasting module you are using.
  
  
  Related Information
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MC.9 (for analyzing forecast data) or MC.1 (for displaying material forecasts) to help troubleshoot the issue.
  
  
  SAP Notes: Check for any SAP Notes related to the PR411 error message. SAP frequently releases notes that provide fixes or additional guidance for specific issues.
  
  
  User Forums and Communities: Engage with SAP user communities or forums where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  
  SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP support for further assistance.
  
  
  By following these steps, you should be able to identify the cause of the PR411 error and implement a suitable solution.