How To Fix M3839 - You have specified different sales units

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 839

• Message text: You have specified different sales units

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message M3839 - You have specified different sales units ?

  The SAP error message M3839, which states "You have specified different sales units," typically occurs in the context of sales and distribution processes when there is a mismatch between the sales units defined in the system for a material and the units being used in a transaction.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Unit of Measure (UoM) Mismatch: The sales unit specified in the sales order or delivery does not match the unit of measure defined in the material master for that particular material.
  Configuration Issues: There may be inconsistencies in the configuration of the material master data, particularly in the sales views where the sales unit is defined.
  Conversion Factors: If there are conversion factors defined between different units of measure, they may not be set up correctly, leading to discrepancies.
  Different Sales Units in Different Documents: If you are trying to process multiple documents (like a sales order and a delivery) that have different sales units for the same material, this error can occur.
  
  Solution:
  To resolve the M3839 error, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and check the sales organization data for the material in question.
  Ensure that the sales unit of measure is correctly defined and matches what you are trying to use in your transaction.
  
  
  
  Review Sales Order/Delivery:
  
  Check the sales order or delivery document where the error occurred. Ensure that the sales unit specified in the document matches the sales unit defined in the material master.
  
  
  
  Adjust Unit of Measure:
  
  If necessary, adjust the unit of measure in the sales order or delivery to match the unit defined in the material master.
  
  
  
  Check Conversion Factors:
  
  If you are using different units of measure, ensure that the conversion factors between them are correctly defined in the material master.
  
  
  
  Consult Configuration:
  
  If you have access to configuration settings, check the settings in the sales and distribution module to ensure that the units of measure are configured correctly.
  
  
  
  User Training:
  
  Ensure that users are trained on how to correctly enter sales units in transactions to avoid future occurrences of this error.
  
  
  
  Related Information:
  
  Transaction Codes: MM03 (Display Material), VA01 (Create Sales Order), VL01N (Create Outbound Delivery).
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message.
  Documentation: Refer to SAP Help documentation for detailed information on unit of measure settings and sales order processing.
  
  By following these steps, you should be able to identify and resolve the cause of the M3839 error in SAP.