How To Fix CNV_DMC_SIN275 - Organizational Data with combination: &1 &2 &3 already exists

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 275

• Message text: Organizational Data with combination: &1 &2 &3 already exists

What causes this issue?

With this object you can only add new sales 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_SIN275 - Organizational Data with combination: &1 &2 &3 already exists ?

  The SAP error message CNV_DMC_SIN275 indicates that there is an attempt to create or insert organizational data (such as cost centers, profit centers, or other organizational units) 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:
  
  
  Duplicate Data: The most common cause of this error is that the organizational data you are trying to import already exists in the target system. This can happen if:
  
  The data was previously migrated and not properly cleaned up.
  There are overlapping data entries in the source and target systems.
  The migration process is being run multiple times without proper checks.
  
  
  
  Incorrect Mapping: If the mapping of the data from the source to the target system is incorrect, it may lead to attempts to create records that already exist.
  
  
  Data Integrity Issues: There may be issues with data integrity, such as missing keys or incorrect relationships between organizational units.
  
  
  Solution:
  
  
  Check for Existing Records: Before running the migration, check the target system for existing records that match the combination of organizational data you are trying to import. You can do this by querying the relevant tables in the SAP system.
  
  
  Data Cleanup: If duplicates are found, you may need to clean up the existing data. This could involve:
  
  Deleting or archiving old records that are no longer needed.
  Updating existing records instead of trying to create new ones.
  
  
  
  Adjust Migration Logic: Modify the migration logic to handle existing records appropriately. This could involve:
  
  Implementing checks to skip records that already exist.
  Using an "upsert" approach (update if exists, insert if not).
  
  
  
  Review Mapping and Transformation Rules: Ensure that the mapping and transformation rules used during the migration are correct and do not lead to conflicts.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using for any additional guidance or best practices.
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to investigate the existing data in the relevant tables.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Data Migration Cockpit: Familiarize yourself with the features of the SAP Data Migration Cockpit, as it may have built-in functionalities to handle duplicates or provide logs for better error analysis.
  
  By following these steps, you should be able to resolve the CNV_DMC_SIN275 error and successfully migrate your organizational data.