How To Fix LB157 - Prop./prod. UoM and base UoM are identical for unit of measurement &

LB157 - Overview

• Message type: E = Error

• Message class: LB - Logistics: Batch - Management

• Message number: 157

• Message text: Prop./prod. UoM and base UoM are identical for unit of measurement &

What causes this issue?

The proportion or product unit and the base unit of measure must be
different.
The proportion or product unit must not be equal to the base unit of
measure in the material.

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?

Please check the units of measure.

Error message extract from SAP system. Copyright SAP SE.

LB157 - Details

• The SAP error message LB157 indicates that there is an issue with the unit of measurement (UoM) configuration for a material. Specifically, it means that the "proportional unit of measure" (Prop. UoM) and the "base unit of measure" (Base UoM) are set to be identical for a particular unit of measurement, which is not allowed in SAP.
  
  Cause:
  
  Configuration Error: The error typically arises when the material master data is incorrectly configured. The proportional unit of measure should be different from the base unit of measure.
  Material Master Settings: This can happen if the material master record has been set up incorrectly, particularly in the "Units of Measure" section.
  Data Entry Mistake: During the creation or modification of the material master, the user may have inadvertently set the proportional UoM to be the same as the base UoM.
  
  
  Solution:
  To resolve this error, you need to check and correct the unit of measurement settings in the