How To Fix 29682 - Multiple BOM / variant BOMs already exist

SAP Error Message - Details

• Message type: E = Error

• Message class: 29 - Bills of Material

• Message number: 682

• Message text: Multiple BOM / variant BOMs already exist

What causes this issue?

You have changed one of the following indicators in the modification
parameters:
Mult. BOM inactive
Variant BOM inactive

System Response

The system checks the <DS:GLOS.technical_type>technical type</> of all
existing BOMs.

How to fix this error?

You see this warning message because multiple BOMs or variant BOMs are
already maintained.
Before you set this indicator, check these multiple BOMs or variant
BOMs.
If you set one of these indicators, you can continue to maintain
existing alternatives and variants.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 29682 - Multiple BOM / variant BOMs already exist ?

  The SAP error message 29682, which states "Multiple BOM / variant BOMs already exist," typically occurs when you are trying to create or modify a Bill of Materials (BOM) in SAP, and the system detects that there are already multiple BOMs or variant BOMs defined for the same material and plant combination. This can lead to confusion in production planning and inventory management, as the system cannot determine which BOM to use.
  Causes:
  
  Duplicate BOM Entries: There are multiple BOMs defined for the same material and plant, which can happen due to data entry errors or incorrect configuration.
  Variant BOMs: If you are working with variant BOMs, there may be multiple variants defined for the same base material.
  Incorrect Configuration: The configuration settings in the BOM management may not be set up correctly, leading to conflicts.
  
  Solutions:
  
  
  Check Existing BOMs: Use transaction codes like CS03 (Display BOM) or CS02 (Change BOM) to check for existing BOMs for the material in question. Identify if there are indeed multiple BOMs or variants.
  
  
  Delete or Archive Unused BOMs: If you find duplicate or unnecessary BOMs, consider deleting or archiving them. Use transaction CS02 to change or delete BOMs as needed.
  
  
  Consolidate BOMs: If multiple BOMs are required for different purposes, ensure they are properly categorized and that the system is configured to handle them correctly.
  
  
  Review Configuration Settings: Check the configuration settings related to BOM management in your SAP system. Ensure that the settings allow for the intended use of BOMs and variants.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on managing BOMs and resolving conflicts.
  
  
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP support for assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CS01 (Create BOM), CS02 (Change BOM), CS03 (Display BOM), and CS11 (Display BOM for a material).
  BOM Types: Understand the different types of BOMs (e.g., single-level, multi-level, variant BOMs) and how they are used in your organization.
  Master Data Management: Ensure that your master data management practices are robust to prevent the creation of duplicate entries in the future.
  
  By following these steps, you should be able to resolve the error message and manage your BOMs effectively in SAP.