How To Fix MPE_OAN264 - Unknown BOM assignment &1 referenced in the work instruction of OA &2 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 264

• Message text: Unknown BOM assignment &1 referenced in the work instruction of OA &2 &3

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_OAN264 - Unknown BOM assignment &1 referenced in the work instruction of OA &2 &3 ?

  The SAP error message MPE_OAN264 indicates that there is an issue with a Bill of Materials (BOM) assignment in the context of a work instruction. This error typically arises when the system cannot find a valid BOM assignment for the specified object in the work instruction.
  Cause:
  
  Missing BOM Assignment: The BOM that is referenced in the work instruction does not exist or is not assigned to the material or operation.
  Incorrect Configuration: The configuration settings for the BOM or the work instruction may be incorrect or incomplete.
  Data Inconsistency: There may be inconsistencies in the master data, such as the material master or BOM master data.
  Authorization Issues: The user may not have the necessary authorizations to access the BOM or the related data.
  
  Solution:
  
  
  Check BOM Assignment:
  
  Verify that the BOM exists for the material referenced in the work instruction.
  Ensure that the BOM is correctly assigned to the material and that it is valid for the relevant plant and production version.
  
  
  
  Review Work Instruction:
  
  Check the work instruction to ensure that it references the correct BOM and that all required fields are filled out correctly.
  
  
  
  Data Consistency Check:
  
  Run consistency checks on the BOM and material master data to identify any discrepancies.
  Use transaction codes like CS03 (Display BOM) to view the BOM details and ensure they are correct.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to view and access the BOM and related data.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for any specific notes related to this error message.
  
  
  
  Contact Support:
  
  If the issue persists, consider reaching out to your SAP support team or consulting SAP Notes for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CS01 (Create BOM), CS02 (Change BOM), and CS03 (Display BOM) for managing BOMs.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles: Ensure that user roles and authorizations are properly configured to prevent access issues.
  
  By following these steps, you should be able to identify and resolve the issue related to the MPE_OAN264 error message in SAP.