How To Fix WRF_REF079 - A reference assignment already exists for material &1/plant &2

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_REF - Messages from References for Materials Without History

• Message number: 079

• Message text: A reference assignment already exists for material &1/plant &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_REF079 - A reference assignment already exists for material &1/plant &2 ?

  The SAP error message WRF_REF079 indicates that there is an attempt to create a reference assignment for a material in a specific plant, but a reference assignment already exists for that combination. This typically occurs in the context of material management and master data maintenance, particularly when dealing with material references in the SAP system.
  Cause:
  The error is triggered when:
  
  You are trying to create a new reference assignment for a material and plant combination that already has an existing reference assignment.
  The system is designed to prevent duplicate reference assignments for the same material and plant to maintain data integrity.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Use transaction codes like MM03 (Display Material) or MM02 (Change Material) to check if there is already a reference assignment for the specified material and plant.
  Navigate to the relevant views (e.g., Purchasing, Sales, etc.) to see if the reference is already set.
  
  
  
  Modify or Delete Existing Assignment:
  
  If you find an existing reference assignment that is no longer needed, you can modify or delete it using the appropriate transaction (e.g., MM02).
  Ensure that any changes made do not affect other business processes relying on that reference.
  
  
  
  Create a New Reference Assignment:
  
  If you need to create a new reference assignment, ensure that it is for a different material or plant combination that does not already have an assignment.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to material master data and reference assignments for additional context and guidelines.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material).
  Material Master Data: Understanding the structure and importance of material master data in SAP can help in troubleshooting similar issues.
  SAP Notes: Check SAP Notes for any updates or specific fixes related to this error message.
  
  By following these steps, you should be able to identify the cause of the WRF_REF079 error and take appropriate action to resolve it.