How To Fix 06258 - Unit & is not a unit of weight

SAP Error Message - Details

• Message type: E = Error

• Message class: 06 -

• Message number: 258

• Message text: Unit & is not a unit of weight

What causes this issue?

The unit of weight &V1& you entered is either not defined or not
defined as a unit of measurement.

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?

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Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 06258 - Unit & is not a unit of weight ?

  The SAP error message "06258 Unit & is not a unit of weight" typically occurs when there is an issue with the unit of measure (UoM) being used in a transaction or master data that is not recognized as a valid unit of weight in the SAP system. This can happen in various contexts, such as when creating or updating material master records, sales orders, or purchase orders.
  Cause:
  
  Invalid Unit of Measure: The unit of measure being used (represented by the "&" in the error message) is not defined as a weight unit in the SAP system.
  Configuration Issues: The unit of measure may not be properly configured in the system, or it may not be assigned to the relevant material type or transaction.
  Data Entry Errors: There may be a typographical error in the unit of measure entered by the user.
  Missing Master Data: The material master record may not have the correct unit of measure settings.
  
  Solution:
  
  
  Check Unit of Measure: Verify that the unit of measure being used is indeed a valid weight unit (e.g., KG, G, LB, etc.). You can check this in the SAP system by navigating to the relevant configuration settings.
  
  
  Maintain Unit of Measure:
  
  Go to the transaction code CUNI (Maintain Units of Measure).
  Check if the unit of measure is defined and if it is categorized as a weight unit.
  If it is not defined, you may need to create it or adjust the existing settings.
  
  
  
  Material Master Data:
  
  Use transaction code MM02 to change the material master record.
  Ensure that the unit of measure is correctly assigned in the Basic Data view and that it is set as a weight unit.
  
  
  
  Check Configuration:
  
  If you have access to configuration, check the settings in SPRO (SAP Reference IMG) under Logistics > General > Master Data > Units of Measure.
  Ensure that the unit of measure is correctly assigned to the relevant material types and that it is included in the appropriate UoM groups.
  
  
  
  Data Entry: Double-check the data entry for any typographical errors or incorrect unit of measure usage.
  
  
  Related Information:
  
  Unit of Measure Groups: SAP allows you to group units of measure. Ensure that the unit of measure you are using is part of a group that includes weight units.
  Documentation: Refer to SAP Help documentation for more details on units of measure and their configuration.
  User Authorization: Ensure that you have the necessary authorizations to make changes to master data or configuration settings.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in material management or logistics.