How To Fix MH229 - The sales unit cannot be changed since the material is used in BOMs

MH229 - Overview

• Message type: E = Error

• Message class: MH - Maintain Material Master Data (Retail)

• Message number: 229

• Message text: The sales unit cannot be changed since the material is used in BOMs

Self-Explanatory Message

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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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Smart SAP Assistant

• What is the cause and solution for SAP error message MH229 - The sales unit cannot be changed since the material is used in BOMs ?

  The SAP error message MH229 indicates that you are trying to change the sales unit of a material that is currently being used in Bill of Materials (BOMs). This restriction is in place because changing the sales unit could lead to inconsistencies in the BOMs where the material is referenced.
  
  Cause:
  The primary cause of this error is that the material you are attempting to modify has been defined in one or more BOMs. Since BOMs are used to define the components required for production, changing the sales unit could affect how these components are managed and calculated.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check BOM Usage: Identify all BOMs that include the material in question. You can do this by using transaction codes like CS03 (Display BOM) or CS11 (BOMs for a Material).
  
  
  Remove Material from BOMs: If the material is not needed in the BOMs, you can remove it from