How To Fix MU030 - It is no longer possible to maintain the bill of material

SAP Error Message - Details

• Message type: E = Error

• Message class: MU - Maintenance of structured materials

• Message number: 030

• Message text: It is no longer possible to maintain the bill of material

What causes this issue?

You wanted to change the bill of material (BOM) for a
<DS:GLOS.structured_material>structured material</>. However, this is
no longer possible since you cannot assign more components to a listed
material in BOM maintenance.

System Response

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

How to fix this error?

Create a new structured material in the retail material master, but do
not yet maintain the user department <LS>Listing</>. Assign the
components to the material and then perform the listing operation.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MU030 - It is no longer possible to maintain the bill of material ?

  The SAP error message MU030, which states "It is no longer possible to maintain the bill of material," typically occurs when there are issues related to the status of the Bill of Materials (BOM) or when certain conditions prevent modifications. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  BOM Status: The BOM may be in a status that does not allow changes. For example, it could be marked as "locked" or "released."
  Change Management: If the BOM is part of a change management process, it may be locked for changes until the process is completed.
  Authorization Issues: The user may not have the necessary authorizations to make changes to the BOM.
  Material Master Status: The material associated with the BOM may be inactive or have a status that prevents changes.
  Versioning: If the BOM is version-controlled, you may be trying to edit a version that is not the active one.
  
  Solutions:
  
  Check BOM Status: Verify the status of the BOM in the BOM management transaction (e.g., CS02). If it is locked or released, you may need to change its status or create a new version.
  Change Management Process: If the BOM is under a change management process, ensure that the process is completed or that you have the necessary permissions to make changes.
  User Authorizations: Check the user roles and authorizations to ensure that you have the necessary permissions to edit the BOM.
  Material Master Check: Verify the status of the material in the material master (transaction MM03). If the material is inactive, you may need to reactivate it.
  Use the Correct Version: If the BOM is version-controlled, ensure you are working with the correct version. You may need to create a new version if changes are required.
  
  Related Information:
  
  Transaction Codes: Common transaction codes related to BOM management include CS01 (Create BOM), CS02 (Change BOM), CS03 (Display BOM), and CS11 (Display BOM for a material).
  Documentation: Refer to SAP Help documentation for detailed information on BOM management and error handling.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to BOM maintenance and the MU030 error.
  
  If the issue persists after checking these aspects, it may be beneficial to consult with your SAP support team or refer to SAP community forums for further assistance.