How To Fix CNV_DMC_SIN401 - Reference number Supplier &1 and Contract Partner &2 are filled

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 401

• Message text: Reference number Supplier &1 and Contract Partner &2 are filled

What causes this issue?

You want to create a customer for an already existing supplier or
contract partner with the same number. It is not possible to fill the
reference number for both supplier and contract partner.

System Response

The record will be skipped until the source file will be changed.

How to fix this error?

Please change your source file. Delete the reference number for customer
or contract partner. It is only allowed to fill one of the reference
numbers.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_SIN401 - Reference number Supplier &1 and Contract Partner &2 are filled ?

  The SAP error message CNV_DMC_SIN401 typically occurs during data migration processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This error indicates that there is an issue with the reference number for a supplier and contract partner being filled inappropriately or conflicting with existing data.
  Cause:
  
  Duplicate Entries: The error may arise if there are duplicate entries for the supplier and contract partner in the system.
  Incorrect Mapping: The mapping of the supplier and contract partner in the migration data may not align with the existing records in the target system.
  Data Integrity Issues: There may be issues with the integrity of the data being migrated, such as missing or incorrect references.
  Configuration Issues: The configuration settings in the DMC or the target system may not allow for the combination of the specified supplier and contract partner.
  
  Solution:
  
  Check for Duplicates: Verify if there are existing records for the specified supplier and contract partner in the target system. If duplicates exist, resolve them before proceeding with the migration.
  Review Mapping: Ensure that the mapping of the supplier and contract partner in your migration template is correct and corresponds to the existing records in the target system.
  Data Validation: Validate the data being migrated to ensure that all required fields are filled correctly and that there are no inconsistencies.
  Adjust Configuration: If necessary, review and adjust the configuration settings in the DMC or the target system to allow for the intended data migration.
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for additional guidance and troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or fixes related to this error message.
  Data Migration Cockpit Documentation: Review the official SAP documentation for the Data Migration Cockpit for best practices and troubleshooting tips.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed and resolved by other users.
  
  If the issue persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.