How To Fix 29779 - Bill Of Material version & already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: 29 - Bills of Material

• Message number: 779

• Message text: Bill Of Material version & already exists

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 29779 - Bill Of Material version & already exists ?

  The SAP error message 29779, which states "Bill Of Material version & already exists," typically occurs when you are trying to create or change a Bill of Material (BOM) in SAP, and the system detects that a BOM version with the same key already exists in the database. This can happen in various scenarios, such as when you are trying to create a new BOM version for a material that already has an existing version.
  Cause:
  
  Duplicate BOM Version: The most common cause is that you are attempting to create a BOM version that already exists for the specified material and plant.
  Incorrect Data Entry: There may be a mistake in the data entry, such as using the wrong version number or material number.
  System Configuration: In some cases, the system configuration may allow for certain BOM versions to be unique, leading to conflicts.
  
  Solution:
  
  Check Existing BOM Versions: Before creating a new BOM version, check the existing BOM versions for the material in question. You can do this using transaction codes like CS03 (Display BOM) or CS02 (Change BOM).
  Use a Different Version Number: If you need to create a new version, ensure that you are using a unique version number that does not conflict with existing versions.
  Modify Existing BOM: If the BOM already exists and you need to make changes, consider modifying the existing BOM instead of creating a new version.
  Delete or Archive Old Versions: If the existing BOM version is no longer needed, you may consider deleting or archiving it, provided that this action complies with your organization's data management policies.
  Consult Documentation: Review SAP documentation or consult with your SAP administrator for specific guidelines related to BOM versioning in your system.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CS01 (Create BOM), CS02 (Change BOM), and CS03 (Display BOM).
  BOM Management: Understand the BOM management process in SAP, including how versions are created and maintained.
  SAP Notes: Check for any SAP Notes related to BOM versioning issues that may provide additional insights or solutions.
  User Authorization: Ensure that you have the necessary authorizations to create or modify BOMs in the system.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in SAP BOM management.