How To Fix OD846 - Unit conversion: default values for material &1 not found

SAP Error Message - Details

• Message type: E = Error

• Message class: OD - IS-Oil: TSW Traders' and Schedulers' Workbench messages

• Message number: 846

• Message text: Unit conversion: default values for material &1 not found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OD846 - Unit conversion: default values for material &1 not found ?

  The SAP error message OD846, which states "Unit conversion: default values for material &1 not found," typically occurs when the system is unable to find the necessary unit of measure (UoM) conversion settings for a specific material in the system. This can happen in various scenarios, such as during the creation of a purchase order, sales order, or when performing inventory management tasks.
  Cause:
  
  Missing Unit of Measure (UoM) Settings: The material in question does not have the required unit of measure conversion settings defined in the material master.
  Incorrect Material Master Data: The material master data may be incomplete or incorrectly configured, particularly in the UoM section.
  Missing Default UoM: The system is unable to find a default UoM for the material, which is necessary for processing transactions.
  Configuration Issues: There may be issues with the configuration of the UoM settings in the system.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03).
  Check the "Basic Data" and "Purchasing" views to ensure that the unit of measure settings are correctly defined.
  Ensure that the material has a base unit of measure and any necessary alternative units of measure defined.
  
  
  
  Define Unit of Measure Conversions:
  
  If the material is missing unit of measure conversions, you can define them in the material master.
  Use transaction code MM02 to edit the material master and navigate to the "Units of Measure" section to add or modify conversions.
  
  
  
  Check UoM Configuration:
  
  Ensure that the UoM settings in the configuration are correct. This can be done through transaction code SPRO and navigating to:
  
  Logistics - General > Material Master > Basic Settings > Define Units of Measure.
  
  
  Verify that the necessary units of measure are defined and that conversion factors are set up correctly.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for additional guidance on unit of measure settings and conversions.
  
  
  
  Testing:
  
  After making changes, test the transaction again to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material Master
  MM02: Change Material Master
  SPRO: Customizing Implementation Guide
  
  
  Unit of Measure Types: Understand the different types of units of measure (base, alternative, etc.) and how they relate to each other.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to unit conversions or the error message OD846.
  
  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.