How To Fix /SAPAPO/ESPP_PR402 - Forecast values will be negative

/SAPAPO/ESPP_PR402 - Overview

• Message type: E = Error

• Message class: /SAPAPO/ESPP_PR -

• Message number: 402

• Message text: Forecast values will be negative

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/ESPP_PR402 - Forecast values will be negative ?

  The SAP error message /SAPAPO/ESPP_PR402 Forecast values will be negative typically occurs in the context of SAP Advanced Planning and Optimization (APO) when the system attempts to generate a forecast that results in negative values. This can happen for various reasons, including data inconsistencies, incorrect settings, or issues with the underlying data used for forecasting.
  Causes:
  
  Negative Historical Data: If the historical data used for forecasting contains negative values, it can lead to negative forecast values.
  Incorrect Forecasting Model: The forecasting model or algorithm being used may not be suitable for the data, especially if it is not designed to handle negative values.
  Data Input Issues: There may be issues with the input data, such as incorrect or missing values, which can affect the forecast calculations.
  Seasonality and Trends: If the model does not account for seasonality or trends properly, it may produce unrealistic forecasts.
  Parameter Settings: Incorrect settings in the forecasting parameters can lead to