How To Fix M3427 - Fixed lot size and rounding value not possible in a single profile

M3427 - Overview

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 427

• Message text: Fixed lot size and rounding value not possible in a single profile

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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M3427 - Details

• The SAP error message M3427, which states "Fixed lot size and rounding value not possible in a single profile," typically occurs in the context of material requirements planning (MRP) or production planning when there is a conflict in the configuration of lot sizing procedures for a material.
  
  Cause:
  This error arises when you attempt to configure a lot size profile that includes both a fixed lot size and a rounding value. In SAP, a fixed lot size means that the system will always produce or procure a specific quantity of a material, while a rounding value indicates that the quantity should be rounded to the nearest specified value. These two settings are mutually exclusive in a single lot size profile, leading to the error.
  
  Solution:
  To resolve this error, you need to adjust the lot size profile settings in the material master or the relevant configuration settings. Here are the steps you can take:
  
  
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