How To Fix KK446 - Units of measure not fully maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: KK -

• Message number: 446

• Message text: Units of measure not fully maintained

What causes this issue?

You are attempting to distribute values to various costing items.
Distribution requires that each costing item contain a unit of measure.
In the present case, the system could not find a unit of measure for
certain items.

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?

Check the costing items and enter the missing units of measure.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KK446 - Units of measure not fully maintained ?

  The SAP error message KK446, which states "Units of measure not fully maintained," typically occurs in the context of controlling (CO) or product costing when there are issues with the configuration of units of measure for materials or cost objects. This error indicates that the system cannot find the necessary unit of measure information for the relevant material or cost object, which is essential for processing transactions.
  Causes:
  
  Missing Unit of Measure Data: The material master may not have all the required unit of measure data maintained. This includes the base unit of measure and any alternative units of measure.
  Incorrect Configuration: The configuration settings for units of measure in the material master or in the controlling area may not be set up correctly.
  Inconsistent Data: There may be inconsistencies in the data between the material master and the controlling area, such as missing entries in the unit of measure table.
  Unit of Measure Conversion: If there are issues with the conversion factors between different units of measure, this can also lead to this error.
  
  Solutions:
  
  
  Check Material Master: 
  
  Go to the material master (transaction code MM03) and check the "Basic Data" and "Purchasing" views to ensure that the base unit of measure and any alternative units of measure are correctly maintained.
  Ensure that the unit of measure is defined in the "Units of Measure" tab.
  
  
  
  Maintain Units of Measure:
  
  If the unit of measure is missing, you can add it using transaction code MM02 to edit the material master data.
  Ensure that the conversion factors between different units of measure are correctly defined.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the controlling area (transaction code OKKP) to ensure that the units of measure are correctly set up.
  Verify that the relevant settings in the controlling module are consistent with the material master data.
  
  
  
  Check for Inconsistencies:
  
  Use transaction code CKM3 to analyze the costing data and check for any inconsistencies related to units of measure.
  If necessary, run consistency checks or reports to identify and resolve any discrepancies.
  
  
  
  Consult Documentation: 
  
  Refer to SAP documentation or help resources for specific guidance on maintaining units of measure in your version of SAP.
  
  
  
  Related Information:
  
  Transaction Codes: MM03 (Display Material), MM02 (Change Material), CKM3 (Display Material Costing), OKKP (Controlling Area).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles: Ensure that you have the necessary authorizations to make changes to the material master and configuration settings.
  
  By following these steps, you should be able to resolve the KK446 error and ensure that the units of measure are fully maintained in your SAP system.