How To Fix KK407 - Unit of measure & cannot be converted into &

SAP Error Message - Details

• Message type: E = Error

• Message class: KK -

• Message number: 407

• Message text: Unit of measure & cannot be converted into &

What causes this issue?

Unit of measure &v1& could not be converted into unit of measure &v2&,
because this conversion has not been defined in Customizing.

System Response

The item quantites were not adjusted to the lot size. The predefined
lot size only was transferred.

How to fix this error?

Enter another unit of measure or go into Customizing and define how the
units of measure are to be converted.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KK407 - Unit of measure & cannot be converted into & ?

  The SAP error message KK407, which states "Unit of measure & cannot be converted into &," typically occurs when there is an issue with the conversion of units of measure (UoM) in the context of cost accounting or when dealing with internal orders, cost centers, or other financial transactions.
  Cause:
  
  
  Missing Conversion Factors: The primary cause of this error is that there is no defined conversion factor between the two units of measure involved. For example, if you are trying to convert from "pieces" to "kilograms" and there is no conversion factor defined in the system, this error will occur.
  
  
  Incorrect UoM Configuration: The units of measure may not be properly configured in the system. This can happen if the UoM is not set up in the material master or if the conversion factors are not maintained correctly.
  
  
  Inconsistent UoM Usage: The error can also arise if the UoM used in the transaction does not match the expected UoM for the material or service being processed.
  
  
  Solution:
  
  
  Check UoM Configuration:
  
  Go to the material master (transaction code MM03) and check the UoM settings for the relevant material. Ensure that the UoM you are trying to convert from and to are both defined.
  Verify that the conversion factors are correctly maintained in the material master under the "Units of Measure" view.
  
  
  
  Maintain Conversion Factors:
  
  If the conversion factors are missing, you can maintain them by using transaction code CUNI (Unit of Measure Conversion) to define the necessary conversion factors between the units.
  
  
  
  Review Transaction Data:
  
  Check the transaction data to ensure that the UoM being used is appropriate for the context. For example, if you are entering quantities in a purchase order or an internal order, make sure the UoM aligns with what is expected in the system.
  
  
  
  Consult Documentation:
  
  If you are unsure about the correct UoM or conversion factors, refer to the SAP documentation or consult with your SAP functional consultant for guidance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM03: Display Material
  CUNI: Maintain Unit of Measure Conversion
  CK11N: Create Material Cost Estimate
  KKF6N: Display Cost Center
  
  
  
  SAP Notes: Check SAP Notes for any specific issues related to this error message. Sometimes, there may be patches or updates that address specific bugs or issues.
  
  
  User Roles: Ensure that you have the necessary authorizations to view and modify UoM settings in the system.
  
  
  By following these steps, you should be able to resolve the KK407 error and ensure that unit conversions are handled correctly in your SAP system.