How To Fix CNV_10020001 - &1 &2 exists already; choose another name

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 001

• Message text: &1 &2 exists already; choose another name

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020001 - &1 &2 exists already; choose another name ?

  The SAP error message CNV_10020001 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that an object (such as a data structure, table, or entity) you are trying to create or import already exists in the system, and therefore, you need to choose a different name or identifier.
  Cause:
  
  Duplicate Names: The most common cause is that the name you are trying to use for a new object is already in use by another object in the system.
  Previous Migration Attempts: If there were previous migration attempts that created objects with the same name, this error can occur.
  Configuration Issues: Sometimes, configuration settings or naming conventions may lead to conflicts.
  
  Solution:
  
  
  Check Existing Objects: Before creating a new object, check the existing objects in the system to see if the name you want to use is already taken. You can do this by using transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator).
  
  
  Choose a Different Name: If the name is already in use, select a different name for your new object. Ensure that it adheres to the naming conventions used in your organization.
  
  
  Delete or Rename Existing Objects: If the existing object is no longer needed, you may consider deleting it or renaming it to free up the name you want to use. Be cautious with this approach, as it may affect other processes or data.
  
  
  Review Migration Settings: If you are using a migration tool, review the settings and configurations to ensure that there are no conflicts with existing data structures.
  
  
  Consult Documentation: Refer to the SAP documentation or notes related to the specific migration tool you are using for any additional guidance or troubleshooting steps.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Testing Environment: If possible, replicate the issue in a testing environment to better understand the cause and test potential solutions without affecting production data.
  
  By following these steps, you should be able to resolve the CNV_10020001 error and proceed with your data migration or conversion tasks.