How To Fix O3057 - Unit of measure & not maintained in Customizing

SAP Error Message - Details

• Message type: E = Error

• Message class: O3 - IS-Oil: HPM messages (goods movements, QCI, deliveries)

• Message number: 057

• Message text: Unit of measure & not maintained in Customizing

What causes this issue?

A unit of measure has not been maintained in table T006 (Trans. CUNI).
The system has attempted to convert a quantity between two units of
measure and was not successful.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message O3057 - Unit of measure & not maintained in Customizing ?

  The SAP error message O3057 indicates that a specific unit of measure (UoM) is not maintained in the system's customizing settings. This error typically arises when you are trying to perform an operation that requires a unit of measure that has not been defined or configured in the system.
  Cause:
  The error occurs when:
  
  A unit of measure is referenced in a transaction or process, but it has not been set up in the SAP system.
  The unit of measure is not assigned to the relevant material or master data.
  The unit of measure is not maintained in the relevant customizing settings for the specific application area (e.g., Material Management, Sales and Distribution).
  
  Solution:
  To resolve the O3057 error, you can follow these steps:
  
  
  Check the Unit of Measure:
  
  Identify the specific unit of measure that is causing the error. This information is usually provided in the error message.
  
  
  
  Maintain the Unit of Measure in Customizing:
  
  Go to the SAP Customizing Implementation Guide (IMG).
  Navigate to the relevant area where the unit of measure needs to be maintained. For example:
  
  For Material Management: Logistics -> Material Management -> Material Master -> Basic Settings -> Units of Measure -> Define Units of Measure.
  
  
  Ensure that the unit of measure is defined and properly configured.
  
  
  
  Assign the Unit of Measure to Material Master:
  
  If the unit of measure is related to a specific material, go to the Material Master (transaction code MM02).
  Check the Basic Data view and ensure that the unit of measure is assigned correctly.
  
  
  
  Check for Conversion Factors:
  
  If applicable, ensure that conversion factors between different units of measure are maintained correctly.
  
  
  
  Test the Changes:
  
  After making the necessary changes, test the transaction or process again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  MM02 (Change Material Master)
  OME1 (Define Units of Measure)
  
  
  
  Documentation: 
  
  Refer to SAP Help documentation for detailed information on units of measure and their configuration.
  
  
  
  User Roles: 
  
  Ensure that you have the necessary authorizations to make changes in the customizing settings.
  
  
  
  Transport Requests: 
  
  If you are working in a development environment, remember to transport your changes to the quality and production environments as needed.
  
  
  
  By following these steps, you should be able to resolve the O3057 error and ensure that the required unit of measure is properly maintained in your SAP system.