Message type: E = Error
Message class:  /SAPAPO/OUTLDET -  
Message number: 031
Message text: Exp. weight factor is only used for exponentially weighted calculation
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The SAP error message /SAPAPO/OUTLDET031 indicates that there is an issue with the use of the exponential weight factor in the context of demand planning or forecasting within the SAP Advanced Planning and Optimization (APO) module. This error typically arises when the system expects an exponentially weighted calculation but finds that the configuration or data does not support it.
Cause: Incorrect Forecasting Method: The error usually occurs when a forecasting method that requires an exponential weight factor is not properly configured or is being used inappropriately. For example, if you are trying to use a method that relies on exponential smoothing but have not set the weight factor correctly. Missing Configuration: The configuration for the forecasting method may not be set up to utilize the exponential weight factor, or the weight factor may not be defined in the planning book or data view. Data Issues: There may be issues with the data being used
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