How To Fix BOM253 - Error occurred during key assignment for BOM headers

SAP Error Message - Details

• Message type: E = Error

• Message class: BOM - BOMs (2)

• Message number: 253

• Message text: Error occurred during key assignment for BOM headers

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message BOM253 - Error occurred during key assignment for BOM headers ?

  The SAP error message BOM253, which states "Error occurred during key assignment for BOM headers," typically occurs when there is an issue with the assignment of keys for Bill of Materials (BOM) headers in the SAP system. This error can arise due to various reasons, including data inconsistencies, missing master data, or configuration issues.
  Causes of BOM253 Error
  
  Missing Master Data: The material or plant associated with the BOM may not exist or may not be properly configured in the system.
  Data Inconsistencies: There may be inconsistencies in the BOM data, such as incorrect or missing entries in the BOM header or item data.
  Authorization Issues: The user may not have the necessary authorizations to create or modify BOMs.
  Configuration Issues: There may be issues with the configuration settings related to BOM processing in the system.
  Technical Issues: There could be underlying technical issues, such as database inconsistencies or problems with the SAP application itself.
  
  Solutions to BOM253 Error
  
  
  Check Master Data:
  
  Ensure that the material and plant associated with the BOM exist and are correctly configured in the system.
  Verify that the material type is allowed for BOM creation.
  
  
  
  Review BOM Data:
  
  Check the BOM header and item data for any inconsistencies or missing information.
  Ensure that all required fields are filled out correctly.
  
  
  
  Authorization Check:
  
  Verify that the user has the necessary authorizations to create or modify BOMs. This can be done by checking the user's roles and authorizations in the SAP system.
  
  
  
  Configuration Review:
  
  Review the configuration settings related to BOM processing in the SAP system. This may involve checking the settings in the IMG (Implementation Guide) for BOM-related configurations.
  
  
  
  Technical Troubleshooting:
  
  If the issue persists, consider checking for any technical issues, such as database inconsistencies or application errors. This may require the assistance of an SAP Basis administrator or technical support team.
  
  
  
  SAP Notes and Support:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can analyze the program logic to identify the exact point of failure. This may require technical expertise.
  
  
  
  Related Information
  
  Transaction Codes: You may use transaction codes like CS01 (Create BOM), CS02 (Change BOM), and CS03 (Display BOM) to work with BOMs.
  SAP Documentation: Refer to the official SAP documentation for detailed information on BOM management and troubleshooting.
  Community Forums: Consider checking SAP community forums or discussion boards for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to escalate the issue to your SAP support team or consult with an SAP expert for further assistance.