How To Fix CNV_CDOP_CA020 - SAP Note already exists in the list

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CDOP_CA - CDOP Clearing Analysis

• Message number: 020

• Message text: SAP Note already exists in the list

What causes this issue?

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

System Response

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

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_CDOP_CA020 - SAP Note already exists in the list ?

  The SAP error message CNV_CDOP_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 data conversion or migration processes, particularly when using the SAP Conversion Tools or during the execution of a specific migration project.
  Cause:
  The error is caused by the system detecting a duplicate entry in the list of SAP Notes. This can happen if:
  
  The same note has been added multiple times.
  There is an issue with the logic that checks for existing notes.
  The migration or conversion process is being executed multiple times without proper cleanup of previous entries.
  
  Solution:
  To resolve the CNV_CDOP_CA020 error, you can take the following steps:
  
  
  Check the List of Notes: Review the list of SAP Notes that have already been added. Ensure that the note you are trying to add is not already present.
  
  
  Remove Duplicate Entries: If you find that the note is indeed duplicated, remove the duplicate entry from the list. This can usually be done through the transaction or tool you are using for the migration.
  
  
  Clear Temporary Data: If the error persists, consider clearing any temporary data or cache that might be causing the system to think the note is still present.
  
  
  Review Documentation: Check the documentation for the specific migration or conversion tool you are using. There may be specific instructions or known issues related to this error.
  
  
  SAP Notes and Support: Look for relevant SAP Notes that might address this issue. You can search the SAP Support Portal for notes related to CNV_CDOP_CA020 or similar issues.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP Support for assistance. Provide them with details of the error and the steps you have already taken.
  
  
  Related Information:
  
  SAP Notes: Always keep your system updated with the latest SAP Notes, as they often contain fixes for known issues.
  Migration Tools: Familiarize yourself with the specific migration tools and their documentation, as they may have unique requirements or troubleshooting steps.
  Community Forums: Check SAP Community forums or other user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to resolve the CNV_CDOP_CA020 error and continue with your migration or conversion process.