How To Fix PR331 - Weighting group is not necessary for forecast model &

PR331 - Overview

• Message type: E = Error

• Message class: PR - Forecast: Help messages

• Message number: 331

• Message text: Weighting group is not necessary for forecast model &

What causes this issue?

You have chosen a forecast model for which no weighting groups are
available.

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?

Either change the forecast model or delete the weighting group.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PR331 - Weighting group is not necessary for forecast model & ?

  The SAP error message PR331, which states "Weighting group is not necessary for forecast model," typically occurs in the context of demand planning or forecasting within SAP's Advanced Planning and Optimization (APO) module or similar functionalities in SAP ERP.
  
  Cause:
  This error message indicates that the system has detected a configuration issue related to the use of weighting groups in a forecast model. Specifically, it suggests that the forecast model you are using does not require a weighting group, but one has been assigned or is being referenced in the process. Weighting groups are used in forecasting to apply different weights to historical data when generating forecasts, but not all forecast models require this.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Forecast Model Configuration:
  
  Go to the configuration settings for the forecast model in question.
  Verify if the forecast model is set up to use a weighting group. If it is not