How To Fix WG354 - Max. period of coverage of &3 days reached for material &1, plant &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: WG - Messages for store order and investment buy

• Message number: 354

• Message text: Max. period of coverage of &3 days reached for material &1, plant &2.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WG354 - Max. period of coverage of &3 days reached for material &1, plant &2. ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WG354 Max. period of coverage of &3 days reached for material &1, plant &2.
  
  Meaning / Cause:
  This error occurs in the Material Requirements Planning (MRP) or Forecasting process when the system detects that the maximum allowed period of coverage for a material in a specific plant has been exceeded.
  
  Material &1: The material number for which the error is triggered.
  Plant &2: The plant where the material is managed.
  &3 days: The maximum allowed period of coverage (in days) that has been set for this material.
  
  The "period of coverage" refers to the time span for which the current stock and planned receipts can cover the demand. If the system finds that the coverage period exceeds the maximum allowed limit, it raises this warning/error.
  This is typically controlled by parameters in the material master or MRP settings to avoid excessive stock or planning beyond a reasonable horizon.
  
  Common Causes:
  
  The period of coverage parameter is set too low for the material, but the current stock and planned receipts cover demand for a longer period.
  Incorrect or overly restrictive settings in the material master or MRP parameters.
  Forecast or demand data might be low or zero, causing the system to calculate a very long coverage period.
  Planning horizon or lot sizing settings might cause the system to plan too far ahead.
  
  
  Where is this controlled?
  
  Material Master (MRP 2 view): Field Period of Coverage (usually in days).
  MRP Parameters: Settings that influence coverage calculations.
  Forecast profiles or planning parameters that influence demand and coverage.
  
  
  Solution / How to fix:
  
  
  Check the Period of Coverage setting:
  
  Go to transaction MM02 (Change Material Master).
  Navigate to the MRP 2 view.
  Check the field Period of Coverage (usually field name: BESKZ or similar).
  Increase the value if it is set too low and the actual coverage period is legitimately longer.
  
  
  
  Review Demand and Stock Situation:
  
  Check if the demand is unusually low or zero, causing the coverage period to be very long.
  Adjust forecast or demand data if necessary.
  
  
  
  Adjust MRP Parameters:
  
  Review lot sizing and planning horizon parameters.
  Adjust if they cause planning beyond the desired coverage period.
  
  
  
  If the message is a warning and not an error:
  
  You may choose to ignore it if the coverage period is acceptable for your business process.
  
  
  
  Check Customizing:
  
  Sometimes, the maximum period of coverage is controlled via customizing or user exits.
  Review if any user exits or BAdIs are enforcing this limit.
  
  
  
  
  Additional Information:
  
  This message is part of the Forecasting and Planning checks to ensure realistic planning horizons.
  It helps prevent overstocking or planning errors by limiting how far ahead the system plans.
  If you frequently encounter this message, consider reviewing your overall planning strategy and parameters.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Message Number
  WG354
  
  
  Cause
  Maximum allowed period of coverage exceeded for material in plant.
  
  
  Solution
  Increase period of coverage in material master or adjust planning parameters.
  
  
  Transaction to check
  MM02 (Material Master), MD04 (Stock/Requirements List)
  
  
  Related Areas
  MRP, Forecasting, Material Master Data, Planning Parameters
  
  
  
  
  If you need help with specific transaction codes or customizing paths, feel free to ask!