How To Fix UMK139 - Unit '&' does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: UMK - Measures

• Message number: 139

• Message text: Unit '&' does not exist

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UMK139 - Unit '&' does not exist ?

  The SAP error message UMK139, which states "Unit '&' does not exist," typically occurs when the system is unable to find a specified unit of measure (UoM) in the database. This can happen in various contexts, such as during the creation of documents, transactions, or when performing certain operations that require a valid unit of measure.
  Causes:
  
  Incorrect Unit of Measure: The unit specified in the transaction does not exist in the system.
  Configuration Issues: The unit of measure may not be properly configured in the system.
  Data Entry Errors: There may be a typo or incorrect entry when specifying the unit of measure.
  Missing Master Data: The relevant master data (like material master or info records) may not have the required unit of measure defined.
  
  Solutions:
  
  
  Check the Unit of Measure:
  
  Verify that the unit of measure you are trying to use is correctly spelled and exists in the system.
  You can check this in the SAP transaction code CUNI (Unit of Measure Conversion) or OMN1 (Maintain Units of Measure).
  
  
  
  Create or Update the Unit of Measure:
  
  If the unit does not exist, you may need to create it. This can be done in the same transaction (CUNI).
  Ensure that the unit of measure is properly defined and linked to the relevant material or master data.
  
  
  
  Review Master Data:
  
  Check the material master data (transaction MM03) to ensure that the unit of measure is defined for the material in question.
  If the material is missing the unit of measure, you may need to add it.
  
  
  
  Consult Configuration:
  
  If you have access to configuration settings, check the settings related to units of measure in the relevant modules (like MM, SD, etc.) to ensure everything is set up correctly.
  
  
  
  User Authorization:
  
  Ensure that the user has the necessary authorizations to access and use the specified unit of measure.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  CUNI: For maintaining units of measure.
  MM03: To view material master data.
  OMN1: To maintain units of measure in the system.
  
  
  
  Documentation: Refer to SAP Help documentation for more details on units of measure and their configuration.
  
  
  Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting the SAP community for further assistance.
  
  
  By following these steps, you should be able to resolve the UMK139 error and ensure that the unit of measure is correctly recognized by the SAP system.