How To Fix LB137 - No conversion of UoM & to base UoM & defined for unit of measurement &

SAP Error Message - Details

• Message type: E = Error

• Message class: LB - Logistics: Batch - Management

• Message number: 137

• Message text: No conversion of UoM & to base UoM & defined for unit of measurement &

What causes this issue?

A conversion from proportion unit or product unit &V1& to base unit of
measure &V2& is not defined for the unit of measurement &V3&.

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 table in Customizing for <LS>Batch Management</> under
<LS>Batch-Specific Material Units of Measure.</>

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LB137 - No conversion of UoM & to base UoM & defined for unit of measurement & ?

  The SAP error message LB137 indicates that there is an issue with the conversion of a unit of measurement (UoM) to a base unit of measurement. This typically occurs when the system is unable to find a defined conversion factor for the specified UoM in relation to the base UoM.
  Cause:
  
  Missing Conversion Factor: The most common cause of this error is that there is no conversion factor defined for the specific UoM in the system.
  Incorrect UoM Configuration: The UoM may not be properly configured in the system, or it may not be linked to the correct base UoM.
  Data Entry Errors: There may be a typo or incorrect entry in the UoM field during data entry.
  Master Data Issues: The material master or other relevant master data may not have the necessary UoM settings.
  
  Solution:
  
  
  Check UoM Configuration:
  
  Go to the transaction code CUNI (Unit of Measure Conversion) in SAP.
  Verify that the UoM in question has a conversion factor defined to the base UoM.
  If it does not exist, you will need to create a new conversion entry.
  
  
  
  Review Material Master Data:
  
  Use transaction code MM03 to display the material master data.
  Check the UoM settings in the Basic Data and Purchasing views to ensure that the UoM is correctly assigned.
  
  
  
  Correct Data Entry:
  
  Ensure that the UoM being used in the transaction is correct and matches the UoM defined in the system.
  
  
  
  Consult Documentation:
  
  If you are unsure about the correct UoM or conversion factors, consult the relevant documentation or reach out to your SAP support team for assistance.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test transaction to ensure that the error has been resolved.
  
  
  
  Related Information:
  
  Unit of Measure (UoM): In SAP, UoMs are used to define how quantities of materials are measured. Each material can have multiple UoMs, but there must be a clear conversion path to a base UoM.
  Base UoM: This is the primary unit of measurement for a material, and all other UoMs must be convertible to this base UoM.
  Transaction Codes:
  
  CUNI: For managing unit of measure conversions.
  MM03: To view material master data.
  MM02: To change material master data.
  
  
  
  By following these steps, you should be able to resolve the LB137 error in SAP. If the issue persists, further investigation into the specific configuration and data setup may be necessary.