How To Fix CNV_PE852 - Name &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 852

• Message text: Name &1 already exists

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE852 - Name &1 already exists ?

  The SAP error message CNV_PE852: Name &1 already exists 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 there is an attempt to create an object (like a data record, configuration, or entity) with a name that already exists in the system.
  Cause:
  
  Duplicate Entries: The most common cause is that the name or identifier you are trying to use for a new object already exists in the target system.
  Data Migration Issues: During data migration, if the source data contains duplicates or if the mapping is not correctly defined, it can lead to this error.
  Configuration Conflicts: If there are existing configurations or settings that conflict with the new entries being created, this error can arise.
  
  Solution:
  
  
  Check for Existing Entries: 
  
  Verify if the name or identifier you are trying to use already exists in the target system. You can do this by searching for the object in the relevant transaction or table.
  
  
  
  Modify the Name: 
  
  If the name is indeed taken, consider modifying the name or identifier you are trying to create to ensure it is unique.
  
  
  
  Data Cleansing: 
  
  If you are migrating data, ensure that the source data is cleansed of duplicates before the migration process. This may involve deduplication processes or adjusting the data mapping.
  
  
  
  Review Migration Settings: 
  
  Check the migration settings and mappings to ensure that they are correctly defined and do not lead to conflicts with existing data.
  
  
  
  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.
  
  
  
  Error Logs: 
  
  Review the error logs for more detailed information about the context in which the error occurred. This can provide insights into what specific object is causing the conflict.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for data migration.
  Community Forums: Consider searching or posting in SAP community forums or SAP support channels for additional insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.