How To Fix G0307 - The characteristic 'unit of measure' has not been defined

SAP Error Message - Details

• Message type: E = Error

• Message class: G0 - Messages for SAP Consolidation

• Message number: 307

• Message text: The characteristic 'unit of measure' has not been defined

What causes this issue?

You have defined a quantity column. You also need to specify a unit of
measure.

System Response

Error occurred during check of the data entry layout.

How to fix this error?

Specify a unit of measure in the general data selection.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message G0307 - The characteristic 'unit of measure' has not been defined ?

  The SAP error message G0307, which states "The characteristic 'unit of measure' has not been defined," typically occurs in the context of SAP's Material Management (MM) or Sales and Distribution (SD) modules. This error indicates that the system is unable to find a definition for the unit of measure (UoM) that is being referenced in a transaction or configuration.
  Cause:
  
  Missing Definition: The unit of measure has not been defined in the system. This could happen if the UoM was never created or if it was deleted.
  Incorrect Configuration: The UoM might not be properly assigned to the material or product in question.
  Data Entry Error: There may be a typo or incorrect entry in the transaction where the UoM is being used.
  Master Data Issues: The material master data may not have the necessary UoM settings configured.
  
  Solution:
  
  
  Define the Unit of Measure:
  
  Go to the transaction code CUNI (Unit of Measure Conversion) or OMN1 (Define Units of Measure).
  Check if the required UoM is listed. If not, create a new entry for the UoM.
  
  
  
  Check Material Master Data:
  
  Use transaction code MM03 to display the material master.
  Ensure that the UoM is correctly assigned in the Basic Data view and other relevant views (like Sales Org Data, Purchasing, etc.).
  
  
  
  Review Configuration:
  
  If you have access, check the configuration settings in the SPRO (SAP Project Reference Object) under Logistics > General > Master Data > Units of Measure to ensure that the UoM is properly configured.
  
  
  
  Data Entry Verification:
  
  Double-check the transaction where the error occurred for any typos or incorrect entries related to the UoM.
  
  
  
  Consult Documentation:
  
  If the issue persists, refer to SAP documentation or consult with your SAP support team for further assistance.
  
  
  
  Related Information:
  
  Unit of Measure Types: Understand the different types of UoMs (e.g., base unit, alternative unit) and how they are used in transactions.
  Unit of Measure Conversion: If you are dealing with multiple UoMs, ensure that conversion factors are correctly defined.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Authorizations: Ensure that you have the necessary authorizations to create or modify UoMs in the system.
  
  By following these steps, you should be able to resolve the G0307 error and ensure that the unit of measure is properly defined and utilized in your SAP system.