How To Fix 29782 - A BOM already exists for this sales order item/usage

SAP Error Message - Details

• Message type: E = Error

• Message class: 29 - Bills of Material

• Message number: 782

• Message text: A BOM already exists for this sales order item/usage

What causes this issue?

You want to create a BOM for a sales document/item and a BOM usage.
However, such a BOM already exists.

How to fix this error?

Please check your entries in the following fields: <LS>Sales
document</>, <LS>Item</>, and <LS>Usage</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 29782 - A BOM already exists for this sales order item/usage ?

  The SAP error message 29782, which states "A BOM already exists for this sales order item/usage," typically occurs when you are trying to create a Bill of Materials (BOM) for a sales order item that already has an existing BOM associated with it. This can happen in various scenarios, such as when you are trying to create a new BOM for a sales order item that has already been configured or when there is an attempt to duplicate an existing BOM.
  Cause:
  
  Existing BOM: The primary cause of this error is that there is already a BOM defined for the specific sales order item and usage combination.
  Incorrect Configuration: The sales order item may have been configured in a way that it automatically links to an existing BOM.
  Data Entry Error: There may have been an error in data entry, leading to an attempt to create a BOM that already exists.
  
  Solution:
  
  
  Check Existing BOMs: 
  
  Use transaction codes like CS03 (Display BOM) to check if a BOM already exists for the sales order item in question.
  Verify the usage and item number to ensure you are looking at the correct BOM.
  
  
  
  Modify Existing BOM: 
  
  If a BOM already exists and needs to be updated, you can use transaction code CS02 (Change BOM) to modify the existing BOM instead of creating a new one.
  
  
  
  Delete Unused BOMs: 
  
  If the existing BOM is no longer needed, you can delete it using transaction code CS02, but ensure that this action does not affect other sales orders or production processes.
  
  
  
  Consult Documentation: 
  
  Review the documentation or configuration settings related to BOMs and sales orders to ensure that the system is set up correctly.
  
  
  
  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: BOMs can have different usages (e.g., production, sales, engineering). Ensure that you are checking the correct usage type.
  Sales Order Configuration: Review the configuration settings for sales orders and BOMs in your SAP system to ensure they align with your business processes.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message, as there may be specific fixes or recommendations provided by SAP.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.