How To Fix M3436 - Use the lot-sizing procedure with "fixed lot size"

M3436 - Overview

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 436

• Message text: Use the lot-sizing procedure with "fixed lot size"

Self-Explanatory Message

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M3436 - Details

• The SAP error message M3436 indicates that there is an issue with the lot-sizing procedure in the material master data. Specifically, it suggests that the system is expecting a fixed lot size to be used for the material, but it has not been configured correctly.
  
  Cause:
  The error typically arises due to one of the following reasons:
  
  Lot Sizing Procedure Not Set: The material master record does not have the appropriate lot-sizing procedure defined, or it is set to a different type that does not support fixed lot sizes.
  
  Configuration Issues: The configuration in the material master or the related settings in the material requirements planning (MRP) may not align with the fixed lot size requirements.
  MRP Type: The MRP type assigned to the material may not be compatible with the fixed lot size procedure.
  Master Data Inconsistencies: There may be inconsistencies or missing data in the material master that prevent the system from applying the