How To Fix CNV_CDMC_CA020 - SAP Note already exists in the list

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CDMC_CA - CDMC Clearing Analysis

• Message number: 020

• Message text: SAP Note already exists in the list

What causes this issue?

You have attempted to add an SAP Note to the list that is already
available in the list.

System Response

It is not possible to add same SAP Note to the list twice.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CDMC_CA020 - SAP Note already exists in the list ?

  The SAP error message CNV_CDMC_CA020 indicates that there is an attempt to add a note to a list where that note already exists. This typically occurs in the context of the SAP Conversion and Data Migration Cockpit (CDMC) when managing notes or entries related to data migration projects.
  Cause:
  The error is caused by trying to add a note or entry that is already present in the list. This can happen due to:
  
  Duplicate entries being processed.
  An attempt to re-add a note that has already been included in the migration project.
  A programming or configuration error that leads to the same note being referenced multiple times.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the List of Notes:
  
  Review the list of notes or entries in the migration project to confirm that the note in question is indeed already present.
  
  
  
  Remove Duplicate Entries:
  
  If you find that the note is duplicated, remove the duplicate entry from the list.
  
  
  
  Modify the Process:
  
  If the error occurs during a specific process or transaction, review the logic to ensure that it does not attempt to add the same note multiple times.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation or guides related to the CDMC for any specific instructions or best practices regarding note management.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes that might address this issue. You can search the SAP Support Portal for notes related to CNV_CDMC_CA020 or similar issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with details of the error and the context in which it occurs.
  
  
  
  Related Information:
  
  SAP Notes: Always check the SAP Support Portal for the latest notes and updates related to your version of SAP and the specific error message.
  CDMC Documentation: Familiarize yourself with the SAP Conversion and Data Migration Cockpit documentation for best practices and troubleshooting tips.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to resolve the CNV_CDMC_CA020 error and continue with your data migration tasks.