How To Fix VMP_MSG256 - MBOM Item number of selected items will be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: VMP_MSG - VMP Message Manager

• Message number: 256

• Message text: MBOM Item number of selected items will be changed

What causes this issue?

MBOM Item number of selected nodes will be changed to another value.

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?

Selected node's MBOM Item number can be retained by UNDO function.
However the grouping may not happen in this case.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VMP_MSG256 - MBOM Item number of selected items will be changed ?

  The SAP error message VMP_MSG256 indicates that the item number of selected items in a Manufacturing Bill of Materials (MBOM) will be changed. This message typically arises during operations related to the management of BOMs, such as when you are trying to modify or update an existing BOM.
  Cause:
  The error can occur due to several reasons, including:
  
  Item Number Changes: The system is attempting to change the item number of components in the BOM, which may not be allowed due to various constraints or settings in the system.
  Configuration Issues: There may be configuration settings in the BOM or the material master that prevent changes to item numbers.
  Data Integrity Constraints: The system may have integrity checks that prevent changes to item numbers if they are linked to other processes or documents.
  User Authorizations: The user may not have the necessary authorizations to make changes to the BOM.
  
  Solution:
  To resolve the issue, you can take the following steps:
  
  Review the BOM: Check the BOM for the items in question to see if there are any discrepancies or issues that need to be addressed.
  Check Configuration Settings: Ensure that the configuration settings for BOMs allow for item number changes. This may involve checking the settings in the BOM management module.
  Data Consistency: Ensure that there are no inconsistencies in the data that could be causing the error. This may involve checking related documents or processes that reference the BOM.
  User Authorizations: Verify that the user has the necessary permissions to make changes to the BOM. If not, contact your SAP administrator to adjust the authorizations.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling BOM item number changes.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it appears to be a system bug or a more complex issue.
  
  Related Information:
  
  BOM Management: Understanding how BOMs are structured and managed in SAP can help in troubleshooting issues related to item numbers.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional context.
  User Forums: Engage with SAP user communities or forums where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.