How To Fix KW451 - Error while reading BOM and routing with order &

SAP Error Message - Details

• Message type: E = Error

• Message class: KW - CO-ABC Activity-Based Costing

• Message number: 451

• Message text: Error while reading BOM and routing with order &

What causes this issue?

Errors occurred during reading of order &V1&.

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?

Check your order and consult your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KW451 - Error while reading BOM and routing with order & ?

  The SAP error message KW451, which states "Error while reading BOM and routing with order &," typically occurs when there is an issue with the Bill of Materials (BOM) or routing associated with a production order. This error can arise due to various reasons, including missing or incorrect data in the BOM or routing, or issues with the order itself.
  Causes of KW451 Error
  
  Missing BOM or Routing: The BOM or routing for the material in the production order may not exist or may not be correctly assigned.
  Incorrect Material Master Data: The material master data may not be set up correctly, leading to issues in retrieving the BOM or routing.
  Versioning Issues: The BOM or routing may have multiple versions, and the system may be trying to access a version that is not valid or does not exist.
  Authorization Issues: The user may not have the necessary authorizations to access the BOM or routing data.
  Data Inconsistencies: There may be inconsistencies in the data, such as missing components or incorrect settings in the BOM or routing.
  
  Solutions to KW451 Error
  
  
  Check BOM and Routing:
  
  Verify that the BOM and routing exist for the material in question. You can do this by using transaction codes like CS03 (Display BOM) and CA03 (Display Routing).
  Ensure that the BOM and routing are correctly assigned to the material and the production order.
  
  
  
  Review Material Master Data:
  
  Check the material master data for the production order to ensure that it is set up correctly. Use transaction code MM03 to display the material master.
  
  
  
  Check Versioning:
  
  If there are multiple versions of the BOM or routing, ensure that the correct version is being used. You can check the validity dates of the BOM and routing.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the BOM and routing data. This may require coordination with your SAP security team.
  
  
  
  Data Consistency Check:
  
  Run consistency checks to identify any discrepancies in the BOM or routing. This can often be done through specific SAP reports or transaction codes.
  
  
  
  Recreate BOM or Routing:
  
  If the BOM or routing is corrupted or missing, consider recreating it. This should be done with caution and in accordance with your organization's procedures.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  CS03: Display BOM
  CA03: Display Routing
  MM03: Display Material Master
  CO03: Display Production Order
  
  
  
  SAP Documentation: Refer to SAP Help documentation for detailed information on BOM and routing management.
  
  
  Support: If the issue persists after trying the above solutions, consider reaching out to your SAP support team or consulting with SAP directly for further assistance.
  
  
  By following these steps, you should be able to diagnose and resolve the KW451 error effectively.