How To Fix W4404 - &: & forecast parameters with MRP area were deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: W4 - Messages for material discontinuation

• Message number: 404

• Message text: &: & forecast parameters with MRP area were deleted

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Smart SAP Assistant

• What is the cause and solution for SAP error message W4404 - &: & forecast parameters with MRP area were deleted ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  W4404 & : & forecast parameters with MRP area were deleted
  
  Meaning / Cause:
  This warning message indicates that forecast parameters that were previously maintained for a specific MRP area have been deleted. In SAP, forecast parameters define how the system calculates forecasts for materials, and these can be maintained at the plant level or at the MRP area level (which is a subdivision of a plant, e.g., a storage location or production line).
  When forecast parameters for an MRP area are deleted, the system issues this warning to inform the user that the forecast settings for that MRP area no longer exist. This can affect the forecast calculation and subsequent planning runs.
  
  When does this occur?
  
  When you delete forecast parameters for an MRP area in transaction MP30 (Maintain Forecast Parameters).
  During MRP runs or forecast runs, if the system tries to access forecast parameters for an MRP area that no longer exist.
  When changing or deleting MRP area-specific settings without adjusting related master data or planning settings.
  
  
  Impact:
  
  Forecasts for the affected MRP area cannot be calculated because the parameters are missing.
  Planning results may be incomplete or inaccurate.
  The system warns you to check and maintain the forecast parameters again.
  
  
  Solution / How to fix:
  
  
  Check Forecast Parameters:
  
  Go to transaction MP30.
  Select the relevant material and MRP area.
  Verify if forecast parameters exist for the MRP area.
  
  
  
  Recreate Forecast Parameters:
  
  If deleted unintentionally, recreate the forecast parameters for the MRP area.
  Maintain all necessary fields such as forecast model, historical periods, seasonal factors, etc.
  
  
  
  Adjust Planning Settings:
  
  If you intend to remove MRP area-specific forecast parameters, ensure that the system can fall back to plant-level forecast parameters.
  Alternatively, adjust the planning strategy or MRP area settings accordingly.
  
  
  
  Check MRP Area Configuration:
  
  Verify if the MRP area is still valid and active.
  If the MRP area is no longer used, consider removing or adjusting related master data.
  
  
  
  Run Forecast / MRP again:
  
  After maintaining the forecast parameters, rerun the forecast or MRP to ensure the warning no longer appears.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MP30 – Maintain Forecast Parameters
  MD01 / MD02 / MD03 – MRP runs
  MC – Forecasting transactions
  
  
  
  SAP Notes / Documentation:
  
  Check SAP Notes related to forecasting and MRP area-specific forecast parameters.
  SAP Help Portal: Forecasting and MRP area-specific planning.
  
  
  
  MRP Area Concept:
  
  MRP areas allow more granular planning within a plant.
  Forecast parameters can be maintained at plant or MRP area level.
  Deleting parameters at MRP area level requires careful handling to avoid planning inconsistencies.
  
  
  
  
  Summary:
  The warning W4404 informs you that forecast parameters for a specific MRP area have been deleted, which can disrupt forecasting and planning. To resolve, verify and maintain the forecast parameters for the MRP area in transaction MP30, or adjust your planning strategy accordingly.
  
  If you need further assistance or specific steps based on your SAP version or setup, please provide additional details!