How To Fix PR335 - Model selection & requires entry of smoothing parameter &

SAP Error Message - Details

• Message type: E = Error

• Message class: PR - Forecast: Help messages

• Message number: 335

• Message text: Model selection & requires entry of smoothing parameter &

What causes this issue?

You have chosen a model selection but you have not specified a
smoothing factor. Model selection &V1& requires the smoothing
factor &V2& in order to determine the forecast model.

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?

INCLUDE NA_SACHVERHALT
Select the &V2& in the selection screen.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PR335 - Model selection & requires entry of smoothing parameter & ?

  The SAP error message PR335, which states "Model selection & requires entry of smoothing parameter &," typically occurs in the context of planning and forecasting within SAP systems, particularly when using the SAP Integrated Business Planning (IBP) or SAP Advanced Planning and Optimization (APO) modules. This error indicates that a model selection process requires a smoothing parameter to be defined, but it has not been provided.
  Cause:
  
  Missing Smoothing Parameter: The error arises when a forecasting model that requires a smoothing parameter (like exponential smoothing) is selected, but the parameter has not been specified in the planning or forecasting settings.
  Incorrect Model Configuration: The model selected may not be properly configured to handle the data or may require additional parameters that have not been set.
  Data Issues: There may be issues with the data being used for forecasting, such as missing values or incorrect formats.
  
  Solution:
  
  
  Specify the Smoothing Parameter:
  
  Navigate to the forecasting model settings in your SAP system.
  Locate the section where the smoothing parameter is defined.
  Enter the required smoothing parameter value. This could be a specific numeric value or a range, depending on the model being used.
  
  
  
  Review Model Configuration:
  
  Ensure that the selected forecasting model is appropriate for the data and that all required parameters are configured correctly.
  If necessary, consult the documentation for the specific forecasting model to understand what parameters are needed.
  
  
  
  Check Data Quality:
  
  Review the data being used for forecasting to ensure it is complete and correctly formatted.
  Address any data quality issues that may be causing the error.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on the forecasting model you are using and the parameters it requires.
  
  
  
  Seek 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:
  
  Forecasting Models: Different forecasting models in SAP may have different requirements for parameters. Understanding the specific model you are using is crucial.
  SAP Notes: Check for any relevant SAP Notes that may address this error or provide additional troubleshooting steps.
  Training and Documentation: Familiarize yourself with SAP IBP or APO training materials that cover forecasting and planning processes, as they often include best practices for parameter settings.
  
  By following these steps, you should be able to resolve the PR335 error and successfully configure your forecasting model in SAP.