How To Fix MU066 - The BOM deletion flag for material &1 and unit &2 has been cancelled

SAP Error Message - Details

• Message type: E = Error

• Message class: MU - Maintenance of structured materials

• Message number: 066

• Message text: The BOM deletion flag for material &1 and unit &2 has been cancelled

What causes this issue?

In a previous dialog step, you deleted the empties bill of material
(empties BOM) for the material &V1& and for the unit of measure &V2&.
You now want to process the BOM again.

System Response

The system has cancelled the internal deletion indicator for the BOM.

How to fix this error?

If you are sure you want to delete the empties BOM, you must delete it
again at the end of this dialog step. Otherwise, you can continue to
process the empties BOM as required.

Procedure for System Administrators

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 MU066 - The BOM deletion flag for material &1 and unit &2 has been cancelled ?

  The SAP error message MU066 indicates that the Bill of Materials (BOM) deletion flag for a specific material and unit has been canceled. This typically occurs when there is an attempt to delete or modify a BOM that has been marked for deletion, but the deletion flag has been removed or is not set correctly.
  Cause:
  
  Deletion Flag Not Set: The BOM deletion flag may not have been set correctly for the material and unit in question.
  Dependencies: There may be existing dependencies or references to the BOM that prevent it from being deleted.
  User Authorization: The user may not have the necessary authorization to delete or modify the BOM.
  System Configuration: There may be configuration settings in the SAP system that affect how BOMs are handled.
  
  Solution:
  
  
  Check BOM Status: Verify the status of the BOM for the material and unit. Ensure that the deletion flag is set correctly.
  
  You can do this by navigating to the BOM management transaction (e.g., CS02 for changing BOMs) and checking the relevant BOM.
  
  
  
  Set Deletion Flag: If the BOM is still needed, you can set the deletion flag again if appropriate. This can be done in the BOM management transaction.
  
  
  Review Dependencies: Check for any dependencies or references to the BOM that might be preventing its deletion. This could include production orders, purchase orders, or other linked documents.
  
  
  User Authorization: Ensure that the user attempting to delete or modify the BOM has the necessary authorizations. This may require coordination with your SAP security team.
  
  
  Consult Documentation: Review SAP documentation or help resources for any specific notes or guidelines related to BOM deletion and management.
  
  
  System Configuration: If the issue persists, consult with your SAP Basis or configuration team to check if there are any system settings that might be affecting BOM deletion.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CS01 (Create BOM), CS02 (Change BOM), and CS03 (Display BOM).
  SAP Notes: Check for any SAP Notes related to BOM management and deletion issues, as they may provide additional insights or patches.
  User Manuals: Refer to user manuals or training materials specific to BOM management in your organization for best practices and procedures.
  
  If the problem continues after following these steps, it may be beneficial to reach out to your SAP support team for further assistance.