How To Fix MAT_MESSAGES023 - Unsupported UnitCode for Quantity: '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: MAT_MESSAGES -

• Message number: 023

• Message text: Unsupported UnitCode for Quantity: '&1'

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 MAT_MESSAGES023 - Unsupported UnitCode for Quantity: '&1' ?

  The SAP error message MAT_MESSAGES023, which states "Unsupported UnitCode for Quantity: '&1'", typically occurs when there is an issue with the unit of measure (UoM) being used in a transaction or data entry. This error indicates that the system does not recognize the unit code provided for the quantity, which can happen for several reasons.
  Causes:
  
  Invalid Unit of Measure: The unit code specified may not be defined in the system or may not be valid for the material or transaction type being processed.
  Configuration Issues: The unit of measure may not be properly configured in the material master or in the relevant settings for the transaction.
  Data Entry Errors: There may be a typographical error in the unit code entered by the user.
  Missing Unit of Measure: The unit of measure may not be assigned to the material in the material master data.
  Incompatibility: The unit of measure may not be compatible with the quantity being processed (e.g., trying to use a unit of measure that is not allowed for a specific operation).
  
  Solutions:
  
  
  Check Material Master: Verify that the unit of measure is correctly defined in the material master record. You can do this by navigating to the material master (transaction code MM03) and checking the "Basic Data" and "Purchasing" views for the correct UoM.
  
  
  Review Unit of Measure Configuration: Ensure that the unit of measure is configured correctly in the system. This can be done through transaction code OME1 (for defining units of measure) or OME2 (for unit of measure conversions).
  
  
  Correct Data Entry: Double-check the entry for any typographical errors. Ensure that the unit code is entered correctly and matches the expected format.
  
  
  Assign Missing Units: If the unit of measure is missing from the material master, you may need to add it. This can be done by editing the material master record and adding the appropriate unit of measure.
  
  
  Consult Documentation: If you are unsure about the valid unit codes, refer to SAP documentation or consult with your SAP administrator to get a list of supported unit codes for your specific configuration.
  
  
  Check Transaction Context: Ensure that the unit of measure is appropriate for the context of the transaction you are performing. For example, some units may only be valid for certain types of transactions (e.g., purchasing vs. inventory management).
  
  
  Related Information:
  
  Unit of Measure Tables: You can check the relevant tables in SAP, such as T006 (Units of Measure) and T006A (Units of Measure for Different Languages), to see the list of valid units.
  SAP Notes: Look for any SAP Notes related to this error message for additional guidance or patches that may address the issue.
  User Training: Ensure that users are trained on the correct usage of units of measure in SAP to minimize errors.
  
  By following these steps, you should be able to identify and resolve the issue causing the MAT_MESSAGES023 error in SAP.