How To Fix BOM203 - Error occurred during key assignment for BOM items

SAP Error Message - Details

• Message type: E = Error

• Message class: BOM - BOMs (2)

• Message number: 203

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

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message BOM203 - Error occurred during key assignment for BOM items ?

  The SAP error message BOM203, which states "Error occurred during key assignment for BOM items," typically occurs when there is an issue with the assignment of keys (such as material numbers or BOM numbers) in the Bill of Materials (BOM) process. This error can arise due to various reasons, including data inconsistencies, missing master data, or configuration issues.
  Causes of BOM203 Error
  
  
  Missing Material Master Data: The material for which the BOM is being created or modified may not exist in the system or may not be properly configured.
  
  
  Incorrect BOM Status: The BOM may be in a status that does not allow changes or assignments.
  
  
  Data Inconsistencies: There may be inconsistencies in the data being used, such as incorrect or missing fields in the BOM items.
  
  
  Authorization Issues: The user may not have the necessary authorizations to perform the operation.
  
  
  Configuration Issues: There may be issues with the configuration of the BOM or related settings in the SAP system.
  
  
  Solutions to BOM203 Error
  
  
  Check Material Master Data:
  
  Ensure that the material numbers referenced in the BOM exist and are correctly set up in the material master.
  Verify that the material is not marked for deletion.
  
  
  
  Review BOM Status:
  
  Check the status of the BOM. If it is locked or in a status that does not allow changes, you may need to unlock it or change its status.
  
  
  
  Validate BOM Data:
  
  Review the BOM items for any missing or incorrect data. Ensure that all required fields are filled out correctly.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to create or modify BOMs. This may involve checking user roles and permissions.
  
  
  
  Consult Configuration Settings:
  
  Review the configuration settings related to BOMs in the SAP system. This may involve checking the settings in the IMG (Implementation Guide) for BOM management.
  
  
  
  Use Transaction Codes:
  
  Use transaction codes like CS01 (Create BOM), CS02 (Change BOM), or CS03 (Display BOM) to check the details of the BOM and identify any issues.
  
  
  
  Check Logs and Traces:
  
  Review system logs or traces for more detailed error messages that may provide additional context for the error.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for BOM management, such as CS01, CS02, CS03, CS11, and CS12.
  SAP Notes: Check for any SAP Notes related to BOM errors or specific issues with the version of SAP you are using.
  Documentation: Refer to SAP documentation for detailed information on BOM management and troubleshooting.
  
  By following these steps, you should be able to identify and resolve the cause of the BOM203 error in your SAP system.