How To Fix CNV_DMC_SIN270 - Purchasing Organization Data: &1 already exists

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 270

• Message text: Purchasing Organization Data: &1 already exists

What causes this issue?

With this object you can only add new purchasing organization 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_SIN270 - Purchasing Organization Data: &1 already exists ?

  The SAP error message CNV_DMC_SIN270 indicates that there is an attempt to create or import purchasing organization data that already exists in the system. This error typically arises during data migration or data conversion processes, particularly when using tools like the SAP Data Migration Cockpit or during system upgrades.
  Cause:
  The error occurs because the system is trying to create a purchasing organization entry that already exists in the database. This can happen due to:
  
  Duplicate entries in the source data being migrated.
  Previous migration attempts that were not fully rolled back or cleaned up.
  Incorrect mapping or transformation rules that lead to the creation of existing records.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Data:
  
  Verify if the purchasing organization already exists in the target system. You can do this by using transaction codes like ME2O or OMZB to list existing purchasing organizations.
  
  
  
  Review Source Data:
  
  Inspect the source data for duplicates. Ensure that the data being migrated does not contain multiple entries for the same purchasing organization.
  
  
  
  Adjust Mapping Rules:
  
  If you are using a data migration tool, review the mapping and transformation rules to ensure they are correctly set up to avoid creating duplicates.
  
  
  
  Data Cleanup:
  
  If duplicates are found in the target system, you may need to delete or merge these records before attempting the migration again.
  
  
  
  Use Update Instead of Create:
  
  If the intention is to update existing records rather than create new ones, ensure that the migration process is set to update existing entries instead of creating new ones.
  
  
  
  Consult Logs:
  
  Check the migration logs for more detailed information about the error. This can provide insights into which specific records are causing the issue.
  
  
  
  Testing:
  
  Before running the migration in the production environment, conduct tests in a development or quality assurance environment to ensure that the issue is resolved.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing purchasing organizations, such as ME21N (Create Purchase Order) and ME22N (Change Purchase Order).
  SAP Notes: Check SAP Notes for any known issues or patches related to the CNV_DMC_SIN270 error.
  Documentation: Review SAP documentation on data migration best practices to avoid similar issues in the future.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.