How To Fix M3670 - Lot sizing procedure requires a rounding value

M3670 - Overview

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 670

• Message text: Lot sizing procedure requires a rounding value

What causes this issue?

A rounding value is required for the lot size procedure you have chosen.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Enter a rounding value.

Error message extract from SAP system. Copyright SAP SE.

M3670 - Details

• The SAP error message M3670, which states "Lot sizing procedure requires a rounding value," typically occurs in the context of material requirements planning (MRP) and inventory management. This error indicates that the lot sizing procedure defined for a material requires a rounding value to be specified, but it has not been provided.
  
  Cause:
  
  Lot Sizing Procedure: The lot sizing procedure defined for the material in the material master may require a rounding value. This is common in procedures like "Lot-for-lot" or "Fixed lot size" where the system needs to round the calculated order quantity to a specific increment.
  Material Master Settings: The material master record may not have the rounding value set up correctly, or it may be missing entirely.
  
  Configuration Issues: The configuration settings in the SAP system for the lot sizing procedure may not be complete or correctly defined.
  
  
  Solution:
  
  
  Check Material Master:
  
  Go to the material master record (transaction code MM02).
  Navigate to the MRP