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

FRMLDLG121 - Overview

• 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.

FRMLDLG121 - Details

• 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