How To Fix /CWM/MD034 - Unit of measure &1 not defined for material &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /CWM/MD -

• Message number: 034

• Message text: Unit of measure &1 not defined for material &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /CWM/MD034 - Unit of measure &1 not defined for material &2 ?

  The SAP error message /CWM/MD034 Unit of measure &1 not defined for material &2 typically occurs in the context of materials management and inventory management within the SAP system. This error indicates that the specified unit of measure (UoM) for a particular material is not defined in the system.
  Cause:
  
  Missing UoM Definition: The unit of measure you are trying to use for the specified material has not been defined in the material master data.
  Incorrect UoM Usage: The UoM being used may not be appropriate for the material or may not be set up correctly in the system.
  Data Entry Error: There may be a typographical error in the UoM or material number being entered.
  
  Solution:
  
  
  Define the Unit of Measure:
  
  Go to the transaction code MM02 (Change Material) or MM01 (Create Material).
  Enter the material number (&2 in the error message).
  Navigate to the "Basic Data" or "Purchasing" view (depending on where the UoM is relevant).
  Check if the UoM (&1 in the error message) is listed. If not, you will need to add it.
  If you need to define a new UoM, you can do this in the transaction code CUNI (Unit of Measure Conversion) or CUN1 (Create Unit of Measure).
  
  
  
  Check UoM Settings:
  
  Ensure that the UoM is correctly set up in the system. You can check this in the transaction code CUNI to see if the UoM is defined and if it has the necessary conversion factors set up.
  
  
  
  Review Material Master Data:
  
  Ensure that the material master data is complete and accurate. Check for any inconsistencies or missing information that could lead to this error.
  
  
  
  Consult Documentation:
  
  If you are unsure about the correct UoM to use, consult your organization's documentation or speak with a materials management specialist.
  
  
  
  Related Information:
  
  Unit of Measure (UoM): In SAP, UoMs are used to define how quantities of materials are measured (e.g., pieces, kilograms, liters).
  Material Master: The material master is a central repository of information about materials in SAP, and it includes various views that contain data relevant to different business processes.
  Transaction Codes:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  CUNI: Unit of Measure Conversion
  CUN1: Create Unit of Measure
  
  
  
  By following these steps, you should be able to resolve the error and ensure that the unit of measure is properly defined for the material in question.