How To Fix 29692 - BOM already exists for WBS element

SAP Error Message - Details

• Message type: E = Error

• Message class: 29 - Bills of Material

• Message number: 692

• Message text: BOM already exists for WBS element

What causes this issue?

You want to create a BOM for a WBS element, material, plant, and BOM
usage. A BOM with this data already exists.

How to fix this error?

Check your entries in the following fields:
<LS>WBS element</>, <LS>Material</>, <LS>Plant</>, and <LS>BOM
usage</>.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 29692 - BOM already exists for WBS element ?

  The SAP error message "29692: BOM already exists for WBS element" typically occurs when you attempt to create a Bill of Materials (BOM) for a Work Breakdown Structure (WBS) element that already has an existing BOM associated with it. This is a common issue in project management and production planning within SAP.
  Cause:
  
  Existing BOM: The primary cause of this error is that a BOM has already been created for the specified WBS element. SAP does not allow multiple BOMs for the same WBS element to avoid confusion and ensure data integrity.
  Incorrect WBS Element: You may be trying to create a BOM for a WBS element that is not intended to have multiple BOMs.
  Data Entry Error: There might be a mistake in the data entry, such as using the wrong WBS element or project.
  
  Solution:
  
  
  Check Existing BOMs: 
  
  Use transaction code CS03 (Display BOM) to check if a BOM already exists for the WBS element in question. Enter the WBS element and see if a BOM is listed.
  
  
  
  Modify Existing BOM: 
  
  If a BOM already exists and you need to make changes, you can use transaction code CS02 (Change BOM) to modify the existing BOM instead of creating a new one.
  
  
  
  Delete Existing BOM: 
  
  If the existing BOM is no longer needed, you can delete it using transaction code CS02 (Change BOM) and then proceed to create a new BOM.
  
  
  
  Use a Different WBS Element: 
  
  If the BOM is intended for a different WBS element, ensure you are using the correct WBS element when creating the BOM.
  
  
  
  Consult Documentation: 
  
  Review your organization's documentation or guidelines regarding BOM creation and management to ensure compliance with internal processes.
  
  
  
  Related Information:
  
  BOM Types: Understand the different types of BOMs (e.g., single-level, multi-level) and their applications in your project.
  WBS Structure: Familiarize yourself with the WBS structure in your project to avoid confusion when associating BOMs.
  SAP Notes: Check SAP Notes for any specific patches or updates related to BOM management that might address this issue.
  User Permissions: Ensure you have the necessary permissions to create or modify BOMs in the system.
  
  By following these steps, you should be able to resolve the error and manage BOMs effectively within your SAP environment.