How To Fix CNV_DMC_SIN271 - Company Data: &1 already exists

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 271

• Message text: Company Data: &1 already exists

What causes this issue?

With this object you can only add new company 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 or change your mapping.

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_SIN271 - Company Data: &1 already exists ?

  The SAP error message CNV_DMC_SIN271 indicates that there is an attempt to create or import company data for a company code that already exists in the system. This error typically arises during data migration or system conversion processes, particularly when using the SAP Data Migration Cockpit or similar tools.
  Cause:
  The error occurs because:
  
  The company code you are trying to create or import is already present in the target system.
  There may be duplicate entries in the migration data.
  The migration process is attempting to create a company code that has already been established in the system.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Company Codes:
  
  Verify the existing company codes in the target system to confirm that the company code you are trying to import already exists. You can do this by navigating to the relevant transaction (e.g., OBY6 for company code configuration).
  
  
  
  Modify Migration Data:
  
  If the company code already exists, you may need to adjust your migration data to either:
  
  Exclude the existing company code from the import.
  Update the existing company code with new data instead of trying to create it again.
  
  
  
  
  
  Data Cleansing:
  
  Ensure that your migration data does not contain duplicates. Cleanse the data to remove any duplicate entries for company codes.
  
  
  
  Use the Correct Migration Approach:
  
  If you need to update existing company data, ensure you are using the correct migration approach (e.g., using update methods instead of create methods).
  
  
  
  Consult Documentation:
  
  Review the SAP documentation related to the Data Migration Cockpit or the specific migration tool you are using for any additional guidelines or best practices.
  
  
  
  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.
  
  
  
  SAP Support:
  
  If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance. They may provide specific guidance based on your system configuration and the migration process you are using.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  OBY6: Configuration for Company Codes.
  SE16N: To view table entries and check for existing company codes in relevant tables (e.g., T001 for company codes).
  
  
  
  Migration Tools:
  
  SAP Data Migration Cockpit (DMC) is commonly used for data migration tasks.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  By following these steps, you should be able to resolve the CNV_DMC_SIN271 error and successfully manage your company data migration.