How To Fix LB160 - You have already defined a ratio for unit of measurement &

SAP Error Message - Details

• Message type: E = Error

• Message class: LB - Logistics: Batch - Management

• Message number: 160

• Message text: You have already defined a ratio for unit of measurement &

What causes this issue?

You want to maintain a 'base unit of measure to a proportion/product
unit of measure' ratio.
However, a ratio for proportion units or product units already exists
for the unit of measurement &V1&.

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 your entries.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LB160 - You have already defined a ratio for unit of measurement & ?

  The SAP error message LB160, which states "You have already defined a ratio for unit of measurement &," typically occurs when you are trying to define a conversion ratio for a unit of measurement that has already been defined in the system. This can happen in various contexts, such as when working with material master data, inventory management, or other areas where units of measurement are used.
  
  Cause:
  
  Duplicate Entry: The most common cause of this error is that a conversion ratio for the specified unit of measurement has already been defined in the system. SAP does not allow multiple definitions for the same unit of measurement to avoid confusion and ensure data integrity.
  Incorrect Data Entry: Sometimes, the error may arise from incorrect data entry or an attempt to redefine a unit of measurement that is already in use.
  
  
  Solution:
  
  
  Check Existing Definitions: 
  
  Go to the transaction code CUNI (Unit of Measure Conversion) or