How To Fix FRMLDLG121 - Unit of measure &3 is not permitted for material &2 of view &1

SAP Error Message - Details

• Message type: E = Error

• Message class: FRMLDLG - RMS-FRM: Dialog Messages for Formula

• Message number: 121

• Message text: Unit of measure &3 is not permitted for material &2 of view &1

What causes this issue?

The system was unable to convert unit of measure &V3& of an alternative
or group item to the unit of measure of the leading item.

System Response

The quantity fields of the item are not converted.

How to fix this error?

Enter a unit of measure for the material that can be converted to the
unit of measure of the leading item.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FRMLDLG121 - Unit of measure &3 is not permitted for material &2 of view &1 ?

  The SAP error message FRMLDLG121 indicates that there is an issue with the unit of measure (UoM) assigned to a material in a specific view. This error typically arises when the unit of measure being used is not allowed for the specified material in the context of the view you are working with.
  Cause:
  
  Incorrect Unit of Measure: The unit of measure you are trying to use for the material is not defined or permitted in the material master for the specified view.
  Configuration Issues: The configuration settings for the material master may not allow the specified unit of measure for the material type or view.
  Missing UoM in Master Data: The unit of measure may not be included in the list of allowed units for that material in the material master data.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03).
  Check the relevant views (e.g., Basic Data, Purchasing, Sales, etc.) to see if the unit of measure is correctly defined.
  Ensure that the unit of measure you are trying to use is listed in the allowed units of measure for that material.
  
  
  
  Update Allowed Units of Measure:
  
  If the unit of measure is not allowed, you may need to add it. This can be done by:
  
  Going to the material master (transaction code MM02).
  Navigating to the relevant view and adding the unit of measure to the allowed list.
  
  
  
  
  
  Review Configuration Settings:
  
  Check the configuration settings in the SAP system to ensure that the unit of measure is permitted for the material type and view.
  This may involve consulting with your SAP configuration team or reviewing the settings in the customizing transaction (transaction code SPRO).
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for more information on unit of measure settings and restrictions.
  
  
  
  Related Information:
  
  Unit of Measure (UoM): In SAP, units of measure are critical for inventory management, purchasing, and sales processes. Each material can have multiple units of measure defined, and they must be configured correctly to avoid errors.
  Material Master Views: Different views in the material master (like Basic Data, Purchasing, Sales, etc.) may have different requirements for units of measure.
  Transaction Codes:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  SPRO: Customizing settings
  
  
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any known issues related to this error message.