How To Fix WM264 - No copy reference MLAN found for material &

SAP Error Message - Details

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 264

• Message text: No copy reference MLAN found for material &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WM264 - No copy reference MLAN found for material & ?

  The SAP error message WM264 "No copy reference MLAN found for material &" typically occurs in the Warehouse Management (WM) module when the system is unable to find a copy reference for the material in question. This can happen for various reasons, often related to configuration or master data issues.
  Cause:
  
  Missing Material Master Data: The material may not have been properly set up in the system, particularly in the relevant views (e.g., Warehouse Management view).
  Incorrect Material Type: The material type may not be compatible with the Warehouse Management processes.
  Missing WM Data: The Warehouse Management data for the material may not have been created or may be incomplete.
  Copy Reference Configuration: The copy reference for the material may not be defined in the system, which is necessary for certain WM processes.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to transaction MM03 and check the material master data for the material in question.
  Ensure that the Warehouse Management view is maintained and that all necessary fields are filled out correctly.
  
  
  
  Verify Material Type:
  
  Ensure that the material type is appropriate for the Warehouse Management processes. You can check this in the material master data.
  
  
  
  Maintain WM Data:
  
  If the WM data is missing, you can create it using transaction LM01 (Create WM Material) or LM02 (Change WM Material).
  Ensure that the storage type and other relevant WM settings are correctly configured.
  
  
  
  Check Copy Reference Configuration:
  
  Review the configuration for copy references in the WM settings. This can typically be found in the customizing settings under Logistics Execution -> Warehouse Management -> WM Basic Functions -> Copy Reference.
  Ensure that the necessary copy references are defined for the materials you are working with.
  
  
  
  Consult Documentation:
  
  If the issue persists, consult SAP documentation or reach out to your SAP support team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  MM03 - Display Material Master
  LM01 - Create WM Material
  LM02 - Change WM Material
  SPRO - Access to Customizing
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to view and edit material master data and WM settings.
  
  By following these steps, you should be able to identify and resolve the issue causing the WM264 error message in SAP.