How To Fix CMM_MEV_GEN_WL001 - Cannot create test data, valuation result for &1 &2 &3 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: CMM_MEV_GEN_WL - Period-End Valuation: Worklist

• Message number: 001

• Message text: Cannot create test data, valuation result for &1 &2 &3 already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CMM_MEV_GEN_WL001 - Cannot create test data, valuation result for &1 &2 &3 already exists ?

  The SAP error message CMM_MEV_GEN_WL001 indicates that the system is unable to create test data because a valuation result for the specified parameters already exists. This typically occurs in the context of Material Valuation or Costing in SAP, particularly when dealing with Material Ledger or similar functionalities.
  Cause:
  
  Existing Valuation Results: The primary cause of this error is that there is already a valuation result for the specified material, plant, and period. The system prevents the creation of duplicate entries to maintain data integrity.
  Incorrect Test Data Setup: If you are trying to create test data in a scenario where the valuation results are already present, it will lead to this error.
  Configuration Issues: There may be configuration settings that are not aligned with the expected behavior for creating test data.
  
  Solution:
  
  
  Check Existing Valuation Results: 
  
  Use transaction codes like CKM3 (Display Material Price) or CKM2 (Display Material Costing) to check if there are existing valuation results for the specified material, plant, and period.
  If results exist, you may need to delete or adjust them if they are not needed.
  
  
  
  Adjust Test Data Creation:
  
  If you are trying to create test data, ensure that you are using a different combination of parameters (material, plant, period) that does not already have valuation results.
  Alternatively, consider using a different test environment or client where the data does not exist.
  
  
  
  Review Configuration:
  
  Check the configuration settings related to Material Ledger and Costing to ensure they are set up correctly for your testing needs.
  Consult with your SAP Basis or functional team to ensure that the system is configured to allow for test data creation as needed.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific transaction or process you are working with. There may be specific guidelines or best practices for creating test data in your scenario.
  
  
  
  SAP Support:
  
  If the issue persists and you cannot find a resolution, consider reaching out to SAP support for further assistance. They may provide insights based on the specific version and configuration of your SAP system.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CKM3, CKM2, CK11N (Create Cost Estimate), and CK40N (Costing Run).
  SAP Notes: Search for SAP Notes related to the error message or the specific functionality you are working with. SAP Notes often contain fixes or workarounds for known issues.
  Testing Environment: If possible, use a dedicated testing environment to avoid conflicts with production data.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.