How To Fix KM796 - Unit of measure &1 is not permitted for the representative material &2

SAP Error Message - Details

• Message type: E = Error

• Message class: KM - Error messages for Profit Center Accounting

• Message number: 796

• Message text: Unit of measure &1 is not permitted for the representative material &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KM796 - Unit of measure &1 is not permitted for the representative material &2 ?

  The SAP error message KM796 indicates that there is an issue with the unit of measure (UoM) being used for a representative material in a specific context, such as during the creation or processing of a material master record, or while performing inventory management tasks. Here’s a breakdown of the cause, potential solutions, and related information for this error:
  Cause:
  
  Invalid Unit of Measure: The unit of measure specified (represented by &1 in the error message) is not allowed for the material (represented by &2). This could be due to configuration settings in the material master or the specific transaction being performed.
  Configuration Issues: The unit of measure might not be defined in the system for the material type or the specific plant.
  Material Type Restrictions: Certain material types may have restrictions on which units of measure can be used.
  Missing Conversion Factors: If the unit of measure is valid but lacks the necessary conversion factors to the base unit of measure, this error can occur.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and verify the units of measure assigned to the material.
  Ensure that the unit of measure you are trying to use is listed in the "Units of Measure" view.
  
  
  
  Review UoM Configuration:
  
  Use transaction code OMS2 to check the configuration of units of measure. Ensure that the unit of measure is defined and allowed for the material type and plant.
  If necessary, add the unit of measure to the allowed list for the material type.
  
  
  
  Define Conversion Factors:
  
  If the unit of measure is valid but lacks conversion factors, you can define these in the material master under the "Units of Measure" view.
  
  
  
  Check Material Type Settings:
  
  Review the settings for the material type in transaction code OMT0 to ensure that the unit of measure is permitted for that material type.
  
  
  
  Consult Documentation:
  
  If you are unsure about the configuration or the specific requirements for units of measure, consult the SAP documentation or your organization's SAP support team for guidance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM03: Display Material
  OMS2: Change Unit of Measure
  OMT0: Define Material Types
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to units of measure and material types.
  
  
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to material master data and configuration settings.
  
  
  By following these steps, you should be able to identify the cause of the KM796 error and implement the appropriate solution. If the issue persists, consider reaching out to your SAP support team for further assistance.