How To Fix PR408 - Forecast value is greater than maximum value

SAP Error Message - Details

• Message type: E = Error

• Message class: PR - Forecast: Help messages

• Message number: 408

• Message text: Forecast value is greater than maximum value

What causes this issue?

The maximum allowed forecast value is 999,999,999,999.

System Response

The system automatically resets greater forecast results to this value.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

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 PR408 - Forecast value is greater than maximum value ?

  The SAP error message PR408 ("Forecast value is greater than maximum value") typically occurs in the context of demand planning or forecasting within the SAP system, particularly when using the SAP Advanced Planning and Optimization (APO) module or SAP Integrated Business Planning (IBP). This error indicates that the forecasted value for a particular product or material exceeds the maximum limit that has been set for that item.
  Cause:
  
  Maximum Value Setting: Each product or material may have a maximum forecast value defined in the system. This is often set to prevent unrealistic forecasts that could lead to overproduction or excess inventory.
  Data Entry Error: The forecast value may have been incorrectly entered or calculated, leading to an unrealistic forecast.
  Configuration Issues: There may be issues with the configuration of the forecasting model or parameters that lead to inflated forecast values.
  Historical Data Anomalies: If the historical data used for forecasting contains outliers or anomalies, it may skew the forecast calculations.
  
  Solution:
  
  Review Maximum Value Settings: Check the maximum forecast value settings for the affected product/material. If necessary, adjust the maximum value to accommodate realistic forecast scenarios.
  Validate Forecast Data: Review the forecast data for accuracy. Ensure that the input data is correct and that there are no data entry errors.
  Adjust Forecasting Parameters: If using a forecasting model, consider adjusting the parameters or the model itself to better fit the historical data and expected future demand.
  Analyze Historical Data: Look into the historical data used for forecasting to identify any anomalies or outliers that may be affecting the forecast. Clean or adjust the data as necessary.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on managing forecast values and settings in your version of SAP.
  Engage with SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it appears to be a system or configuration issue.
  
  Related Information:
  
  Forecasting Models: Familiarize yourself with the different forecasting models available in SAP and how they can be configured to better suit your business needs.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to forecasting errors.
  Training and Documentation: Ensure that users involved in demand planning and forecasting are adequately trained on the system and understand how to set and manage forecast values.
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the PR408 error and improve the accuracy of your forecasting process in SAP.