How To Fix BOM046 - Assignments to bill of material &/& were changed

SAP Error Message - Details

• Message type: E = Error

• Message class: BOM - BOMs (2)

• Message number: 046

• Message text: Assignments to bill of material &/& were changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BOM046 - Assignments to bill of material &/& were changed ?

  The SAP error message BOM046 indicates that there have been changes made to the assignments of a Bill of Material (BOM) in the system. This message typically arises when there are discrepancies or modifications in the BOM data that affect the assignment of components or the structure of the BOM itself.
  Cause:
  
  Data Changes: The most common cause is that the BOM has been modified, which could include changes to components, quantities, or the structure of the BOM.
  Concurrent Changes: If multiple users are trying to edit the same BOM simultaneously, it can lead to conflicts and trigger this error.
  Versioning Issues: If the BOM is versioned and a change is made to a different version, it may cause inconsistencies.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or edit the BOM, leading to this error.
  
  Solution:
  
  Review Changes: Check the change log for the BOM to identify what changes were made. This can help you understand the context of the error.
  Reassign Components: If the error is due to changes in component assignments, you may need to reassign or adjust the components in the BOM.
  Locking Mechanism: Ensure that no other users are editing the BOM at the same time. If necessary, coordinate with your team to avoid concurrent modifications.
  Check Authorizations: Verify that you have the necessary permissions to access and modify the BOM. If not, contact your system administrator.
  Use Transaction Codes: Utilize transaction codes like CS02 (Change BOM) or CS03 (Display BOM) to review and make necessary adjustments.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to BOM management.
  
  Related Information:
  
  BOM Structure: Understanding the structure of the BOM and how components are assigned is crucial for troubleshooting.
  Change Management: Familiarize yourself with the change management processes in SAP to better handle BOM modifications.
  SAP Notes: Check SAP Notes for any known issues or patches related to BOM management that may address this error.
  Training: Consider training sessions or resources on BOM management in SAP to enhance your understanding and skills.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.