How To Fix M3421 - Lot-sizing procedure requires storage costs indicator

M3421 - Overview

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 421

• Message text: Lot-sizing procedure requires storage costs indicator

What causes this issue?

Ordering costs and a storage costs indicator are necessary for the
chosen lot-sizing procedure.

How to fix this error?

INCLUDE NA_EINGABEN

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M3421 - Lot-sizing procedure requires storage costs indicator ?

  The SAP error message M3421, which states "Lot-sizing procedure requires storage costs indicator," typically occurs in the context of materials management and inventory management within SAP. This error indicates that the system requires a storage costs indicator to be defined for the lot-sizing procedure being used for a particular material.
  
  Cause:
  The error is triggered when:
  
  A lot-sizing procedure that requires a storage costs indicator is assigned to a material.
  The storage costs indicator is not maintained in the material master data or is not properly configured in the relevant settings.
  
  
  Solution:
  To resolve the M3421 error, you can follow these steps:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03).
  Check the relevant views (usually the Accounting and MRP views) to see if the storage costs indicator is maintained.
  If it is missing, you can update the material master (transaction code MM02) to include the storage costs indicator.
  
  
  
  Define Storage Costs Indicator:
  
  If the storage costs indicator