How To Fix DMU344 - Unit of measure &1 is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: DMU - Digital Mock Up (DMU)

• Message number: 344

• Message text: Unit of measure &1 is not supported

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 DMU344 - Unit of measure &1 is not supported ?

  The SAP error message DMU344, which states "Unit of measure &1 is not supported," typically occurs when you are trying to use a unit of measure (UoM) in a transaction or process that is not recognized or supported by the system. This can happen in various contexts, such as during material master data maintenance, inventory management, or when processing sales orders.
  Causes:
  
  Invalid Unit of Measure: The unit of measure you are trying to use may not be defined in the system or may not be valid for the specific material or transaction.
  Configuration Issues: The unit of measure may not be configured correctly in the relevant settings, such as in the material master or in the unit of measure conversion settings.
  Missing UoM in Master Data: The unit of measure may not be assigned to the material in the material master data.
  Incorrect Transaction Context: The unit of measure may not be applicable in the context of the transaction you are trying to perform.
  
  Solutions:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and check if the unit of measure is defined for the material in question.
  Ensure that the UoM is included in the relevant views (Basic Data, Purchasing, Sales, etc.).
  
  
  
  Verify UoM Configuration:
  
  Check the configuration settings for units of measure in the SAP system (transaction code OME1 for defining UoM).
  Ensure that the UoM is set up correctly and is linked to the appropriate material types and transaction types.
  
  
  
  Add Missing UoM:
  
  If the unit of measure is not defined, you may need to add it to the system. This can be done through the configuration settings or by updating the material master.
  
  
  
  Check UoM Conversion:
  
  If you are using a conversion factor, ensure that the conversion from the base unit of measure to the desired unit of measure is defined correctly.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific details on the unit of measure and its usage in the context of your transaction.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: MM03 (Display Material), MM02 (Change Material), OME1 (Define Units of Measure).
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to unit of measure handling.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to material master data and UoM settings.
  
  By following these steps, you should be able to identify the cause of the DMU344 error and implement a solution to resolve it.