How To Fix 29006 - Variant BOM already exists for this material/plant/usage

SAP Error Message - Details

• Message type: E = Error

• Message class: 29 - Bills of Material

• Message number: 006

• Message text: Variant BOM already exists for this material/plant/usage

What causes this issue?

You want to add an alternative to the BOM for the material you have
entered (-> Multiple BOM).
As this BOM is a <ZH>variant BOM</>, this is no longer possible.

How to fix this error?

Check your entries for the material, plant and usage.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 29006 - Variant BOM already exists for this material/plant/usage ?

  The SAP error message "29006 - Variant BOM already exists for this material/plant/usage" typically occurs when you are trying to create a new variant Bill of Materials (BOM) for a material that already has an existing variant BOM for the specified plant and usage. This is a common issue in SAP when managing BOMs, especially in industries where variant configurations are prevalent.
  Cause:
  
  Existing Variant BOM: The primary cause of this error is that a variant BOM already exists for the specified material, plant, and usage combination. SAP does not allow the creation of duplicate variant BOMs for the same parameters.
  Incorrect Data Entry: Sometimes, the error can occur due to incorrect data entry, such as specifying the wrong plant or material number.
  Configuration Issues: There may be issues with how the material or BOM is configured in the system.
  
  Solution:
  
  
  Check Existing BOMs: 
  
  Use transaction code CS03 (Display BOM) to check if a variant BOM already exists for the specified material, plant, and usage. 
  If it exists, you can either modify the existing BOM or create a new variant under a different usage or for a different plant.
  
  
  
  Modify Existing BOM: 
  
  If the existing BOM meets your requirements, you can modify it using transaction code CS02 (Change BOM) instead of creating a new one.
  
  
  
  Create a New Variant: 
  
  If you need to create a new variant BOM, ensure that you are using a different usage or plant that does not have an existing BOM.
  
  
  
  Consult Documentation: 
  
  Review the SAP documentation or your organization's BOM management guidelines to ensure you are following the correct procedures for creating variant BOMs.
  
  
  
  Check for Configuration Issues: 
  
  If you believe there should not be an existing BOM, check with your SAP administrator or support team to ensure that there are no configuration issues or data inconsistencies in the system.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  CS01: Create BOM
  CS02: Change BOM
  CS03: Display BOM
  CS11: Display BOM for a specific material
  
  
  BOM Usage: Understand the different usages of BOMs in your organization (e.g., production, engineering, etc.) to avoid conflicts.
  SAP Notes: Check SAP Notes for any known issues or patches related to BOM management that might be relevant to your version of SAP.
  
  By following these steps, you should be able to resolve the error and manage your variant BOMs effectively.