How To Fix PR320 - The value of the smoothing parameter must lie between 0 and 1

PR320 - Overview

• Message type: E = Error

• Message class: PR - Forecast: Help messages

• Message number: 320

• Message text: The value of the smoothing parameter must lie between 0 and 1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PR320 - The value of the smoothing parameter must lie between 0 and 1 ?

  The SAP error message PR320, which states "The value of the smoothing parameter must lie between 0 and 1," typically occurs in the context of forecasting or planning functions within SAP, particularly when using the SAP Integrated Business Planning (IBP) or SAP Advanced Planning and Optimization (APO) modules. This error indicates that a parameter used for smoothing in a forecasting model is set to a value that is outside the acceptable range.
  
  Cause:
  The smoothing parameter is a critical component in forecasting algorithms, such as exponential smoothing. It determines how much weight is given to the most recent observations versus older data. The valid range for this parameter is between 0 and 1:
  
  A value of 0 means that only the historical data is considered, and no weight is given to the most recent observation.
  A value of 1 means that only the most recent observation is considered, ignoring all historical data.
  
  If the parameter