How To Fix 29109 - BOM group & already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: 29 - Bills of Material

• Message number: 109

• Message text: BOM group & already exists

What causes this issue?

You want to assign BOM group &V1&. This character string has already
been assigned to another BOM group.

System Response

The system only allows a BOM group to be assigned once, so that you can
access a BOM without using the number of the BOM object (for example,
material).

How to fix this error?

You can overwrite your entry and thereby assign a different BOM group.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 29109 - BOM group & already exists ?

  The SAP error message "29109 BOM group & already exists" typically occurs when you are trying to create a Bill of Materials (BOM) group that already exists in the system. This error is common in scenarios where you are managing BOMs for materials and attempting to create a new group with a name or identifier that is already in use.
  Cause:
  
  Duplicate Entry: The most common cause is that the BOM group you are trying to create has the same identifier as an existing BOM group in the system.
  Data Entry Error: There may have been a typographical error or oversight in the BOM group name or identifier.
  System Configuration: In some cases, system settings or configurations may lead to conflicts in BOM group creation.
  
  Solution:
  
  
  Check Existing BOM Groups: Before creating a new BOM group, check the existing BOM groups in the system to ensure that the identifier you want to use is not already taken. You can do this by navigating to the relevant transaction (e.g., CS01 for creating BOMs) and using the search functionality.
  
  
  Use a Unique Identifier: If the BOM group already exists, consider using a different, unique identifier for the new BOM group you are trying to create.
  
  
  Modify Existing BOM Group: If the existing BOM group is not being used or is outdated, you may consider modifying or deleting it if appropriate, allowing you to reuse the identifier.
  
  
  Consult Documentation: Review SAP documentation or help resources for additional guidance on managing BOM groups and understanding naming conventions.
  
  
  Check Authorizations: Ensure that you have the necessary authorizations to create or modify BOM groups in the system.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CS01 (Create BOM), CS02 (Change BOM), and CS03 (Display BOM) to manage BOMs effectively.
  SAP Notes: Check SAP Notes for any known issues or patches related to BOM group management.
  User Roles: Ensure that your user role has the appropriate permissions to create and manage BOM groups.
  Training: If you are new to SAP or BOM management, consider training or resources to better understand the system's functionalities.
  
  By following these steps, you should be able to resolve the error and successfully manage your BOM groups in SAP.