How To Fix SD_FREE_GOODS_MSG039 - Unit conversion error.


SAP Error Message - Details

  • Message type: E = Error

  • Message class: SD_FREE_GOODS_MSG - Message class for Free Goods maintenance

  • Message number: 039

  • Message text: Unit conversion error.

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  • Self-Explanatory Message

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Smart SAP Assistant

  • What is the cause and solution for SAP error message SD_FREE_GOODS_MSG039 - Unit conversion error. ?

    The SAP error message SD_FREE_GOODS_MSG039 typically indicates a unit conversion error related to free goods in the Sales and Distribution (SD) module. This error can occur when there is a mismatch in the units of measure (UoM) between the free goods and the main product during sales order processing.

    Cause:

    1. Unit of Measure Mismatch: The free goods are defined in a different unit of measure than the main product. For example, if the main product is sold in pieces (EA) and the free goods are defined in boxes (BX), the system may not be able to convert between these units correctly.
    2. Configuration Issues: There may be issues in the configuration of the free goods determination procedure or the unit of measure settings in the material master.
    3. Missing Conversion Factors: The conversion factors between the units of measure may not be defined in the system, leading to the inability to convert quantities correctly.
    4. Incorrect Sales Order Data: The sales order may have been entered with incorrect or inconsistent data regarding the units of measure.

    Solution:

    1. Check Unit of Measure Settings:

      • Go to the material master (transaction code MM03) for both the main product and the free goods.
      • Ensure that the units of measure are correctly defined and that conversion factors are set up properly.
    2. Review Free Goods Configuration:

      • Check the free goods determination procedure in the configuration (transaction code SPRO).
      • Ensure that the free goods are set up correctly in relation to the main product.
    3. Define Conversion Factors:

      • If there are missing conversion factors, you can define them in the material master under the "Units of Measure" view.
    4. Validate Sales Order Data:

      • Review the sales order (transaction code VA03) to ensure that the quantities and units of measure are entered correctly.
      • Make sure that the free goods are being added correctly in the sales order.
    5. Testing:

      • After making the necessary changes, test the sales order process again to see if the error persists.

    Related Information:

    • Transaction Codes:
      • MM03: Display Material Master
      • VA03: Display Sales Order
      • SPRO: Customizing (Configuration) settings
    • Documentation: Refer to SAP Help documentation for detailed information on unit of measure settings and free goods configuration.
    • SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.

    If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP community forums for additional insights.

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