How To Fix QC202 - There is already an assignment with this key combination

QC202 - Overview

• Message type: E = Error

• Message class: QC - QM: Certificates

• Message number: 202

• Message text: There is already an assignment with this key combination

What causes this issue?

You create a new certificate profile assignment. There is already at
least one assignment for the period of &V1& to &V2&.

System Response

Already existing assignments are overwritten.

How to fix this error?

Choose data release if you agree to existing assignments being
overwritten
If you do not want to overwrite existing assignments choose "Cancel".
You can display existing assignments using the function "Environment ->
Overview".

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 QC202 - There is already an assignment with this key combination ?

  The SAP error message QC202, which states "There is already an assignment with this key combination," typically occurs in the context of Quality Management (QM) when you are trying to create or modify a quality inspection assignment that conflicts with an existing assignment.
  
  Cause:
  The error is triggered when you attempt to create a new inspection lot or assign a quality inspection characteristic that already has an existing assignment with the same key combination (e.g., material, plant, inspection type, etc.). This means that the system has detected a duplicate entry that violates the uniqueness constraint for the specified key fields.
  
  Solution:
  To resolve the QC202 error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Navigate to the relevant transaction (e.g., QA01 for creating inspection lots or QA02 for changing them).
  Use the appropriate transaction to view existing quality inspection assignments (e.g., QCC1 for characteristics).
  Look for any existing assignments that match the key combination you are trying