How To Fix UCM1002 - Unit of measure &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: UCM1 - Messages for Explicit Values Maintenance

• Message number: 002

• Message text: Unit of measure &1 does not exist

What causes this issue?

&V1& is not a valid value for the characteristic <ZK>Unit of measure
</>.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Use the input help to select a valid unit of measure.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCM1002 - Unit of measure &1 does not exist ?

  The SAP error message UCM1002, which states "Unit of measure &1 does not exist," typically occurs when the system is unable to recognize or find the specified unit of measure (UoM) in the relevant configuration or master data. This can happen in various contexts, such as during the creation of materials, sales orders, or other transactions where units of measure are involved.
  Causes:
  
  Missing UoM Definition: The unit of measure has not been defined in the system.
  Incorrect UoM Usage: The UoM being used is not valid for the material or transaction type.
  Data Entry Error: There may be a typographical error in the UoM entered.
  Configuration Issues: The unit of measure may not be properly configured in the relevant settings (e.g., in the material master or in the UoM tables).
  Inactive UoM: The UoM might exist but is marked as inactive or not available for use.
  
  Solutions:
  
  
  Check UoM Definition:
  
  Go to the transaction code CUNI (Unit of Measure Conversion) or OMN1 (Maintain Units of Measure) to check if the UoM exists.
  If it does not exist, you will need to create it.
  
  
  
  Create or Maintain UoM:
  
  If the UoM is missing, create it by entering the necessary details (like the UoM code, description, and conversion factors) in the appropriate configuration area.
  
  
  
  Verify Material Master Data:
  
  Check the material master data using transaction code MM03 (Display Material) to ensure that the UoM is correctly assigned to the material.
  Ensure that the UoM is valid for the specific plant and storage location.
  
  
  
  Check for Typos:
  
  Review the entry for any typographical errors. Ensure that the UoM is entered correctly in the transaction.
  
  
  
  Review Configuration Settings:
  
  Ensure that the UoM is properly configured in the relevant settings, such as in the material master or sales order settings.
  
  
  
  Consult Documentation:
  
  If you are unsure about the UoM or its configuration, refer to SAP documentation or consult with your SAP administrator or functional consultant.
  
  
  
  Related Information:
  
  Unit of Measure Types: Understand the different types of units of measure (e.g., base unit, alternative unit) and how they relate to each other.
  Conversion Factors: If you are using multiple units of measure, ensure that conversion factors are correctly defined.
  SAP Notes: Check SAP Notes for any known issues or patches related to UoM errors.
  User Authorizations: Ensure that you have the necessary authorizations to create or modify units of measure in the system.
  
  By following these steps, you should be able to resolve the UCM1002 error and ensure that the unit of measure is correctly recognized in your SAP system.