How To Fix O3478 - Material definition for & is inconsistent; quantity conversion terminates

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 478

• Message text: Material definition for & is inconsistent; quantity conversion terminates

What causes this issue?

The Quantity Conversion Interface has been called for a material which
is defined as an HPM or TDP material; a unit of measure group and a
converison group are assigned in the material master. Simultaneously,
the batch-specific material units of measure handling has been activated
for this material. This is not allowed. (See SAP note 403310 for
details.)

System Response

The system stops processing.

How to fix this error?

Adjust the material master settings for the material.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message O3478 - Material definition for & is inconsistent; quantity conversion terminates ?

  The SAP error message O3478 indicates that there is an inconsistency in the material definition for a specific material, which is causing issues with quantity conversion. This error typically arises in the context of material management and inventory processes, particularly when dealing with different units of measure (UoM) or when trying to perform operations that involve quantity conversions.
  Cause:
  
  Inconsistent Unit of Measure (UoM) Settings: The material may have inconsistent or missing definitions for its base unit of measure, alternative units of measure, or conversion factors.
  Missing Data: Required data for the material, such as conversion factors between different units of measure, may be missing or incorrectly configured.
  Material Master Data Issues: There may be issues with the material master data, such as incorrect settings in the Basic Data, Purchasing, or Sales views.
  Configuration Issues: The configuration settings in the system for handling units of measure may not be set up correctly.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and check the Basic Data, Purchasing, and Sales views for the material in question.
  Ensure that the base unit of measure and any alternative units of measure are correctly defined and that conversion factors are set up properly.
  
  
  
  Review Unit of Measure Settings:
  
  Verify that the unit of measure settings are consistent and that all necessary conversion factors are defined.
  Check if the material is set up with the correct UoM in the relevant views.
  
  
  
  Correct Inconsistencies:
  
  If you find any inconsistencies or missing data, correct them in the material master record.
  Ensure that the conversion factors between different units of measure are accurate and reflect the actual conversion rates.
  
  
  
  Test the Changes:
  
  After making the necessary corrections, test the process that was causing the error to ensure that the issue has been resolved.
  
  
  
  Consult Documentation:
  
  If the issue persists, consult SAP documentation or reach out to your SAP support team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  MM03 (Display Material)
  MM02 (Change Material)
  MM01 (Create Material)
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to material definitions and unit of measure inconsistencies.
  User Roles: Ensure that the user has the necessary permissions to view and edit material master data.
  
  By following these steps, you should be able to identify and resolve the inconsistency causing the O3478 error message in SAP.