How To Fix CNV_DMC_SIN260 - Plant Data: &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_SIN - Messages for s-innovations migration

• Message number: 260

• Message text: Plant Data: &1 already exists

What causes this issue?

With object 'Material - extend existing record by new org levels' you
can only extend new plant data. You can't change already existing
entries.

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 these records from the template.

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_DMC_SIN260 - Plant Data: &1 already exists ?

  The SAP error message CNV_DMC_SIN260 indicates that there is an attempt to create or import plant data for a plant that already exists in the system. This error typically arises during data migration or conversion processes, particularly when using the SAP Data Migration Cockpit or similar tools.
  Cause:
  The error occurs because:
  
  Duplicate Plant Entry: The plant you are trying to create or import already exists in the SAP system.
  Data Migration Issues: During data migration, the source data may contain duplicate entries for plants, or the mapping of the source data to the target system may not be correctly configured.
  Incorrect Configuration: The configuration settings in the migration tool may not be set up to handle existing records properly.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Existing Plants:
  
  Verify if the plant you are trying to create already exists in the SAP system. You can do this by navigating to the relevant transaction (e.g., OX10 for plant maintenance) and checking the list of existing plants.
  
  
  
  Modify Source Data:
  
  If the plant already exists, you may need to modify your source data to either exclude the existing plants or update them instead of trying to create new entries.
  
  
  
  Use Update Instead of Create:
  
  If the plant already exists and you need to update its data, ensure that your migration process is set to update existing records rather than create new ones.
  
  
  
  Check Mapping Configuration:
  
  Review the mapping configuration in your migration tool to ensure that it correctly handles existing records. Make sure that the logic for handling duplicates is correctly implemented.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or notes related to the specific migration tool you are using for any additional guidance on handling this error.
  
  
  
  Error Logs:
  
  Check the error logs for more detailed information about the error. This can provide insights into what specific data is causing the issue.
  
  
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Data Migration Cockpit: Familiarize yourself with the features and functionalities of the SAP Data Migration Cockpit, as it may have specific settings for handling existing records.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.