How To Fix VMP_MSG304 - BOM for materials does not exist for Change Number &1

SAP Error Message - Details

• Message type: E = Error

• Message class: VMP_MSG - VMP Message Manager

• Message number: 304

• Message text: BOM for materials does not exist for Change Number &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message VMP_MSG304 - BOM for materials does not exist for Change Number &1 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  VMP_MSG304: BOM for materials does not exist for Change Number &1
  
  Cause:
  This error occurs when you try to perform a change or reference a Bill of Materials (BOM) for a material using a specific Engineering Change Number (Change Number), but the BOM for that material does not exist or is not valid for the given Change Number.
  In other words, the system cannot find a BOM assigned to the material under the specified Engineering Change Number in the Engineering Change Management (ECM) or Product Lifecycle Management (PLM) environment.
  
  When does it typically occur?
  
  When you attempt to create or change a production order, process order, or any document that requires a BOM with a specific Engineering Change Number.
  When you try to display or modify a BOM with a Change Number that is not assigned or does not exist for the material.
  During integration between Engineering Change Management and BOM management.
  
  
  Possible Reasons:
  
  The BOM for the material has not been created or released under the specified Change Number.
  The Change Number is incorrect or does not correspond to any BOM version for the material.
  The BOM exists but is not valid or active for the given Change Number.
  The BOM was created without linking to the Change Number.
  Data inconsistency or missing assignment in the BOM master data.
  
  
  Solution:
  
  
  Check BOM Existence:
  
  Use transaction CS03 (Display BOM) to check if the BOM exists for the material.
  Verify if the BOM is assigned to the Change Number in question.
  
  
  
  Verify Change Number:
  
  Check the Change Number in transaction CC03 (Display Change Number).
  Confirm that the Change Number is valid and released.
  
  
  
  Assign BOM to Change Number:
  
  If the BOM exists but is not assigned to the Change Number, assign it using transaction CS02 (Change BOM).
  In the BOM header, assign the correct Change Number.
  
  
  
  Create or Release BOM for Change Number:
  
  If the BOM does not exist for the Change Number, create a new BOM or create a new BOM version assigned to the Change Number.
  Release the BOM so it becomes valid.
  
  
  
  Check Validity Dates:
  
  Ensure the BOM validity dates cover the period when the Change Number is active.
  
  
  
  Check Integration Settings:
  
  If using Engineering Change Management, ensure the integration between BOM and Change Number is properly maintained.
  
  
  
  Consult Logs and Documentation:
  
  Check application logs or change documents for inconsistencies.
  
  
  
  
  Related Information:
  
  
  Transactions:
  
  CS01 - Create BOM
  CS02 - Change BOM
  CS03 - Display BOM
  CC01 - Create Change Number
  CC02 - Change Change Number
  CC03 - Display Change Number
  
  
  
  Tables:
  
  STPO - BOM item data
  STPOZ - BOM item change number assignment
  MAPL - Assignment of material to routing
  T370 - BOM status
  
  
  
  Notes and Documentation:
  
  SAP Notes related to BOM and Engineering Change Management integration.
  SAP Help Portal documentation on BOM and Engineering Change Management.
  
  
  
  
  Summary:
  The error VMP_MSG304 indicates that the BOM for the material is not found or not assigned for the specified Change Number. To resolve it, verify the BOM existence, ensure the BOM is assigned and valid for the Change Number, and create or release the BOM if necessary.
  
  If you need further assistance, please provide the material number, Change Number, and the transaction where the error occurs.