How To Fix LB132 - Alternative UoM & already defined is being assigned to characteristic &

SAP Error Message - Details

• Message type: E = Error

• Message class: LB - Logistics: Batch - Management

• Message number: 132

• Message text: Alternative UoM & already defined is being assigned to characteristic &

What causes this issue?

You want to assign unit of measure &V2& to characteristic &V1&. This
unit of measure is already defined as an alternative unit of measure.

System Response

Unit of measure &V2& will be changed to a proportion or product unit.
Numerator and denominator are set in accordance with the planned value.
All remaining data for the unit of measure (dimensions and gross weight,
for example) will be adopted.

How to fix this error?

Please check whether you want to change alternative unit of measure &V2&
to a proportion or product unit.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LB132 - Alternative UoM & already defined is being assigned to characteristic & ?

  The SAP error message LB132 indicates that there is an issue with the assignment of an alternative unit of measure (UoM) to a characteristic in the context of handling materials or products in the system. This error typically arises when there is a conflict or inconsistency in the way units of measure are defined or assigned within the material master or related configurations.
  Cause:
  
  Duplicate Assignment: The alternative unit of measure you are trying to assign to a characteristic is already defined for another characteristic or material.
  Configuration Issues: There may be inconsistencies in the configuration of units of measure in the material master or in the related settings in the SAP system.
  Data Entry Errors: Incorrect data entry while defining characteristics or units of measure can lead to this error.
  
  Solution:
  
  Check Existing Assignments: Review the existing assignments of alternative units of measure in the material master. Ensure that the UoM you are trying to assign is not already in use for another characteristic.
  Modify or Remove Conflicting Assignments: If you find that the alternative UoM is already assigned to another characteristic, you may need to modify or remove that assignment before proceeding.
  Review Material Master Data: Go to the material master data (transaction code MM03) and check the relevant views (like Basic Data, Sales, Purchasing) to ensure that the UoM settings are correct.
  Check Configuration Settings: If you have access, review the configuration settings related to units of measure in the SAP system (transaction code SPRO). Ensure that the settings for alternative units of measure are correctly defined.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling units of measure and characteristics.
  
  Related Information:
  
  Transaction Codes: 
  
  MM03: Display Material
  MM02: Change Material
  SPRO: Customizing Implementation Guide
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles: Ensure that you have the necessary authorizations to make changes to material master data and configuration settings.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in material management for further assistance.