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

MPE_OAN264 - Overview

• 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

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MPE_OAN264 - Details

• 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