How To Fix VSCE453 - BOM item &2 in &1: several items for the same key

SAP Error Message - Details

• Message type: E = Error

• Message class: VSCE - Messages for SCE

• Message number: 453

• Message text: BOM item &2 in &1: several items for the same key

What causes this issue?

More than one item with the same type (material number, class) exists
for the item number specified.

System Response

The items are all copied into the knowledge base. However, erroneous
assignments can result when you select bill of material items in the IPC
configuration, for example in the following instances:
when loading configuration data from the external format
when evaluating dependencies in the SCE advanced mode (HAS_PART
Constraint)

How to fix this error?

Assign different item numbers to the bill of material items.

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 VSCE453 - BOM item &2 in &1: several items for the same key ?

  The SAP error message VSCE453 indicates that there are multiple items in a Bill of Materials (BOM) that share the same key. This typically occurs when there are duplicate entries for a specific component in the BOM, which can lead to confusion in production planning and inventory management.
  Cause:
  
  Duplicate Entries: The most common cause of this error is that the same component has been added multiple times to the BOM with the same key (e.g., material number, item category).
  Data Entry Errors: Manual data entry mistakes can lead to unintentional duplication of items in the BOM.
  System Configuration Issues: In some cases, system settings or configurations may allow for the creation of duplicate entries.
  
  Solution:
  
  Check BOM Entries: Review the BOM for the specified material and item. Look for duplicate entries that have the same key.
  Delete Duplicates: If duplicates are found, remove the unnecessary entries. You can do this by using transaction code CS02 (Change BOM) to edit the BOM and delete the duplicate items.
  Validation: After making changes, validate the BOM to ensure that it meets the required structure and does not contain duplicates.
  Data Consistency Check: Run a consistency check on the BOM to ensure that all entries are valid and that there are no other issues.
  User Training: If the issue is due to manual data entry, consider providing training to users on how to properly create and manage BOMs to prevent future occurrences.
  
  Related Information:
  
  Transaction Codes: 
  
  CS01: Create BOM
  CS02: Change BOM
  CS03: Display BOM
  CS11: Display BOM for a material
  
  
  BOM Structure: Understand the structure of BOMs in SAP, including item categories and how they relate to materials.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on handling BOM errors.
  Documentation: Refer to SAP documentation for best practices in BOM management and data entry.
  
  By following these steps, you should be able to resolve the VSCE453 error and ensure that your BOMs are correctly configured without duplicate entries.