How To Fix MG_SSTN_VALIDATIONS009 - Unit of measurement & not defined for &;enter valid unit of measurement

SAP Error Message - Details

• Message type: E = Error

• Message class: MG_SSTN_VALIDATIONS - Material/Vendor Sustainability Validations

• Message number: 009

• Message text: Unit of measurement & not defined for &;enter valid unit of measurement

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MG_SSTN_VALIDATIONS009 - Unit of measurement & not defined for &;enter valid unit of measurement ?

  The SAP error message MG_SSTN_VALIDATIONS009 indicates that a unit of measurement (UoM) is not defined for a specific material or context in the system. This error typically occurs when you are trying to perform an operation that requires a valid unit of measurement, but the system cannot find one associated with the material or the transaction you are attempting to execute.
  Cause:
  
  Missing Unit of Measurement: The material you are working with does not have a unit of measurement defined in the material master data.
  Incorrect Configuration: The unit of measurement might not be properly configured in the system, or it may not be assigned to the material.
  Data Inconsistency: There may be inconsistencies in the data, such as missing entries in the relevant tables (e.g., MARA, MARM).
  Transaction Context: The transaction you are trying to execute may require a specific unit of measurement that is not defined for the material.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the Material Master (Transaction Code: MM03).
  Enter the material number and check the Basic Data view and the Purchasing view to ensure that a unit of measurement is defined.
  If the UoM is missing, you can add it using Transaction Code: MM02 (Change Material).
  
  
  
  Define Unit of Measurement:
  
  If the unit of measurement is not defined, you can create it using Transaction Code: CUNI (Unit of Measure).
  Ensure that the UoM is correctly linked to the material in the material master.
  
  
  
  Check UoM Conversion:
  
  If you are using multiple units of measurement, ensure that the conversion factors are correctly defined in the material master.
  
  
  
  Review Configuration:
  
  Check the configuration settings in SPRO (SAP Reference IMG) under Logistics > Material Management > Material Master > Basic Settings > Define Units of Measure to ensure that the UoM is properly configured.
  
  
  
  Test the Transaction:
  
  After making the necessary changes, try to execute the transaction again to see if the error persists.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM03: Display Material
  MM02: Change Material
  CUNI: Define Units of Measure
  SPRO: SAP Reference IMG
  
  
  
  Tables:
  
  MARA: General Material Data
  MARM: Units of Measure for Material
  
  
  
  Documentation: Refer to SAP Help documentation for more details on material master data and unit of measurement settings.
  
  
  If the issue persists after following these steps, it may be necessary to consult with your SAP support team or a functional consultant for further investigation.