How To Fix QS077 - Master inspection characteristic is already linked to class char. &1

SAP Error Message - Details

• Message type: E = Error

• Message class: QS - QM: Master data

• Message number: 077

• Message text: Master inspection characteristic is already linked to class char. &1

What causes this issue?

You have edited a version of this master inspection characteristic and
linked it to a class characteristic. However, one of the existing
verisons of the master inspection characteristic is already linked to a
different class characteristic. This is not allowed.

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?

Delete the class characteristic from the version you have just edited
or enter the class characteristic that has already been assigned in the
different version.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message QS077 - Master inspection characteristic is already linked to class char. &1 ?

  The SAP error message QS077 indicates that a master inspection characteristic (MIC) is already linked to a class characteristic in the system. This typically occurs when you attempt to assign a master inspection characteristic to a class that already has that characteristic assigned to it.
  Cause:
  
  Duplicate Assignment: The master inspection characteristic you are trying to link is already associated with the class characteristic.
  Configuration Error: There may be a configuration issue where the same MIC is being referenced multiple times in the same context.
  
  Solution:
  To resolve the QS077 error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Navigate to the relevant class in the SAP system and check the characteristics that are already assigned to it. You can do this through transaction codes like CL02 (Change Class) or CL03 (Display Class).
  Look for the master inspection characteristic that is causing the error.
  
  
  
  Remove Duplicate Assignment:
  
  If you find that the MIC is already assigned to the class, you can either remove it from the class if it is not needed or decide if you need to keep it as is.
  
  
  
  Create a New Characteristic:
  
  If you need to have a similar characteristic, consider creating a new master inspection characteristic that can be linked to the class without causing a conflict.
  
  
  
  Review Class Configuration:
  
  Ensure that the class configuration is set up correctly and that there are no unintended duplications in the characteristics assigned to the class.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to class characteristics and master inspection characteristics for additional guidance.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  CL02 (Change Class)
  CL03 (Display Class)
  QS21 (Create Master Inspection Characteristic)
  QS22 (Change Master Inspection Characteristic)
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues or bugs related to this error message.
  
  
  User Authorization: Ensure that you have the necessary authorizations to make changes to classes and characteristics in the system.
  
  
  Testing: After making changes, test the configuration to ensure that the error does not reoccur and that the system behaves as expected.
  
  
  By following these steps, you should be able to resolve the QS077 error and successfully manage your master inspection characteristics in SAP.