How To Fix QC728 - Characteristic profile not unique (&1 / &2 / &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: QC - QM: Certificates

• Message number: 728

• Message text: Characteristic profile not unique (&1 / &2 / &3)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message QC728 - Characteristic profile not unique (&1 / &2 / &3) ?

  The SAP error message QC728, which states "Characteristic profile not unique (&1 / &2 / &3)," typically occurs in the context of Quality Management (QM) when working with characteristic profiles in inspection plans or quality notifications. This error indicates that the system has found multiple characteristic profiles that match the criteria specified, leading to ambiguity.
  Cause:
  The error can arise due to several reasons:
  
  Duplicate Characteristic Profiles: There may be multiple characteristic profiles defined in the system that have the same key or attributes, causing the system to be unable to determine which one to use.
  Incorrect Configuration: The configuration of the characteristic profiles may not be set up correctly, leading to overlaps or conflicts.
  Data Integrity Issues: There may be inconsistencies or errors in the master data related to the characteristic profiles.
  
  Solution:
  To resolve the QC728 error, you can take the following steps:
  
  
  Check Characteristic Profiles:
  
  Go to the transaction code QS22 (for displaying characteristic profiles) and review the profiles defined in the system.
  Look for duplicates or profiles that have the same attributes.
  
  
  
  Modify or Delete Duplicates:
  
  If you find duplicate profiles, you may need to modify them to ensure uniqueness or delete the unnecessary ones.
  
  
  
  Review Configuration:
  
  Check the configuration settings for characteristic profiles in the Quality Management module. Ensure that the settings are correctly defined and do not overlap.
  
  
  
  Data Consistency Check:
  
  Run data consistency checks to identify any issues with the characteristic profiles. This can help in identifying any underlying data integrity problems.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to characteristic profiles and the specific error message for any additional guidance or updates.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights based on the specific configuration and version of your SAP system.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as QS21 (Create Characteristic Profile), QS22 (Display Characteristic Profile), and QS23 (Change Characteristic Profile).
  Quality Management Module: Understanding the broader context of the Quality Management module in SAP can help in troubleshooting related issues.
  SAP Notes: Check for any SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  
  By following these steps, you should be able to identify and resolve the cause of the QC728 error in your SAP system.