How To Fix O3003 - Error in the Quantity Conversion Interface (QCI)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 003

• Message text: Error in the Quantity Conversion Interface (QCI)

What causes this issue?

The HPM Quick Test CATT could not be executed successfully.

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?

Run Report ROIB1M02 in online mode to obtain detailed information on the
Quantity Conversion Interface (QCI) / conversion error.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message O3003 - Error in the Quantity Conversion Interface (QCI) ?

  The SAP error message O3003, which indicates an "Error in the Quantity Conversion Interface (QCI)," typically arises during the process of converting quantities in SAP, particularly when dealing with units of measure (UoM). This error can occur in various scenarios, such as during goods movements, inventory management, or when processing sales orders.
  Causes of O3003 Error
  
  
  Incorrect Unit of Measure Configuration: The error may occur if the unit of measure is not correctly defined in the system or if there are inconsistencies in the conversion factors between different units.
  
  
  Missing or Incomplete Data: If the necessary data for quantity conversion is missing or incomplete, the system may not be able to perform the conversion.
  
  
  Custom Code Issues: If there are custom enhancements or modifications in the QCI, they may lead to unexpected behavior and errors.
  
  
  Data Inconsistencies: Inconsistencies in master data, such as material master records or vendor master records, can also trigger this error.
  
  
  Configuration Issues: Problems in the configuration of the material management module or the specific settings for quantity conversion can lead to this error.
  
  
  Solutions to O3003 Error
  
  
  Check Unit of Measure Settings:
  
  Go to the transaction code CUNI to check the unit of measure settings.
  Ensure that the conversion factors between different units are correctly defined.
  
  
  
  Review Material Master Data:
  
  Use transaction code MM03 to review the material master data.
  Ensure that the units of measure are correctly assigned and that there are no missing entries.
  
  
  
  Check for Missing Data:
  
  Ensure that all necessary data for the transaction is complete and accurate.
  Look for any missing fields or incorrect entries in the relevant documents.
  
  
  
  Debug Custom Code:
  
  If there are custom enhancements related to quantity conversion, review the code for any potential issues.
  Debug the process to identify where the error is occurring.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error.
  Apply any recommended patches or updates.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), CUNI (Unit of Measure Conversion), and MB1A (Goods Withdrawal) to troubleshoot the issue effectively.
  Documentation: Review SAP documentation related to quantity conversion and unit of measure settings for a deeper understanding of the configuration.
  Testing: After making changes, perform tests to ensure that the error is resolved and that quantity conversions are functioning as expected.
  
  By following these steps, you should be able to identify and resolve the O3003 error in SAP.