How To Fix PR412 - Not enough historical values exist for ex-post forecast

PR412 - Overview

• Message type: E = Error

• Message class: PR - Forecast: Help messages

• Message number: 412

• Message text: Not enough historical values exist for ex-post forecast

What causes this issue?

The number of historical values was sufficient for the system to be
able to carry out model initialization, but not to carry out an ex-post
forecast.
For more information, see the Extended Help.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PR412 - Not enough historical values exist for ex-post forecast ?

  The SAP error message PR412, which states "Not enough historical values exist for ex-post forecast," typically occurs in the context of demand planning and forecasting within SAP APO (Advanced Planning and Optimization). This error indicates that the system does not have sufficient historical data to generate an ex-post forecast for the specified product or location.
  
  Cause:
  
  Insufficient Historical Data: The primary cause of this error is that there is not enough historical data available for the product or location in question. Ex-post forecasting relies on past sales data to create forecasts, and if this data is missing or insufficient, the forecast cannot be generated.
  Data 
  Configuration Issues: There may be issues with how the historical data is configured or stored in the system. For example, the data might not be properly loaded or might be incomplete.
  Time Period Settings: The time period for which the forecast is being generated may not align with the