How To Fix MPE_CM_BOM012 - BOM Usage &1 already exists for Part Type &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_CM_BOM - Message Class for Parameter Effectivity

• Message number: 012

• Message text: BOM Usage &1 already exists for Part Type &2

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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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_CM_BOM012 - BOM Usage &1 already exists for Part Type &2 ?

  The SAP error message MPE_CM_BOM012 indicates that there is an attempt to create or modify a Bill of Materials (BOM) for a specific part type, but a BOM with the same usage already exists for that part type. This error typically arises in the context of material management and production planning within SAP.
  Cause:
  The error occurs due to the following reasons:
  
  Duplicate BOM Entry: You are trying to create a BOM for a material that already has a BOM defined for the same usage type.
  Incorrect BOM Usage: The BOM usage you are trying to assign is already in use for that specific part type.
  Data Entry Error: There may be a mistake in the data entry, such as selecting the wrong part type or BOM usage.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Existing BOMs:
  
  Use transaction code CS03 (Display BOM) to check if a BOM already exists for the specified part type and usage.
  If a BOM exists, you can either modify it or delete it if it is no longer needed.
  
  
  
  Use a Different BOM Usage:
  
  If you need to create a new BOM, consider using a different BOM usage that does not conflict with existing entries.
  
  
  
  Modify Existing BOM:
  
  If the existing BOM needs to be updated, you can use transaction code CS02 (Change BOM) to make the necessary changes.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or help files related to BOM management to ensure you are following the correct procedures.
  
  
  
  Check Authorization:
  
  Ensure that you have the necessary authorizations to create or modify BOMs in the system.
  
  
  
  Contact Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  BOM Usage: BOM usage defines the context in which a BOM is used (e.g., production, engineering, etc.). Different usages can be defined for the same material.
  Transaction Codes:
  
  CS01: Create BOM
  CS02: Change BOM
  CS03: Display BOM
  
  
  Material Master: Ensure that the material master data is correctly set up and that the part type is correctly defined.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.