How To Fix O3123 - Unit of measure group does not exist

O3123 - Overview

• Message type: E = Error

• Message class: O3 - IS-Oil: HPM messages (goods movements, QCI, deliveries)

• Message number: 123

• Message text: Unit of measure group does not exist

What causes this issue?

The unit of measure group that is maintained in the material master does
not exist in Customizing or the unit of measure group you attempt to
enter in the material master maintenance is not defined in Customizing.

How to fix this error?

Check your entry or maintain the unit of measure group in Customizing:
<ZK>Industry Solution Oil & Gas (Downstream) -> HPM (Hydrocarbon
Product Management) -> Oil- and Gas-Specific Units of Measure and
Additional Stockkeeping Units -> Define additional stockkeeping units of
measure</> (Transaction O586) .

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message O3123 - Unit of measure group does not exist ?

  The SAP error message O3123, which states "Unit of measure group does not exist," typically occurs when the system is unable to find a specified unit of measure group in the configuration. This can happen in various scenarios, such as when creating or modifying material master records, or during transactions that involve units of measure.
  
  Cause:
  
  Missing Configuration: The unit of measure group has not been defined in the system.
  Incorrect Input: The unit of measure group specified in the transaction does not match any existing groups in the system.
  Data Migration Issues: If data has been migrated from another system, the unit of measure groups may not have been transferred correctly.
  Authorization Issues: Sometimes, users may not have the necessary authorizations to view or access certain unit of measure groups.
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to the SAP Easy Access screen and navigate to the configuration for units of measure.
  Use transaction code OMU1 to check if the unit