How To Fix LB161 - Proportion/product unit &1 and base unit are assigned to dimension &2

SAP Error Message - Details

• Message type: E = Error

• Message class: LB - Logistics: Batch - Management

• Message number: 161

• Message text: Proportion/product unit &1 and base unit are assigned to dimension &2

What causes this issue?

The proportion unit or product unit must not be assigned to the same
<DS:GLOS.dimension>dimension</> as the base unit of measure.

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?

Correct your entries.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LB161 - Proportion/product unit &1 and base unit are assigned to dimension &2 ?

  The SAP error message LB161 indicates a problem with the assignment of units of measure in the context of material management or inventory management. Specifically, it suggests that there is a mismatch between the proportion/product unit and the base unit of measure assigned to a particular dimension.
  Cause:
  The error typically arises when:
  
  The proportion/product unit (the unit used for calculating quantities) is not compatible with the base unit of measure (the primary unit of measure for the material).
  The dimensions (like weight, volume, etc.) assigned to the units of measure are inconsistent or incorrectly defined.
  There may be a configuration issue in the material master data or in the unit of measure settings.
  
  Solution:
  To resolve the LB161 error, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and verify the units of measure assigned to the material.
  Ensure that the proportion/product unit and the base unit of measure are correctly defined and compatible.
  
  
  
  Review Unit of Measure Settings:
  
  Check the configuration of units of measure in the system (transaction code OME1 for defining units of measure).
  Ensure that the dimensions for the units of measure are correctly assigned and that there are no discrepancies.
  
  
  
  Adjust Proportion/Product Unit:
  
  If necessary, change the proportion/product unit to one that is compatible with the base unit of measure.
  This may involve updating the material master or the relevant configuration settings.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific guidelines on unit of measure configuration and management.
  
  
  
  Testing:
  
  After making changes, test the material transactions to ensure that the error no longer occurs.
  
  
  
  Related Information:
  
  Transaction Codes: MM03 (Display Material), MM02 (Change Material), OME1 (Define Units of Measure).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  User Roles: Ensure that you have the necessary permissions to make changes to material master data and unit of measure 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.