How To Fix CNV_DMC_SIN406 - Supplier &1 is not a confirmed value in mapping (see long text)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 406

• Message text: Supplier &1 is not a confirmed value in mapping (see long text)

What causes this issue?

You want to create a customer for an already existing supplier with the
same number. But the mapping of supplier is not confirmed

System Response

The record will be skipped until the mapping is confirmed.

How to fix this error?

Please confirm the mapping of supplier in step Convert Values with the
already existing number of the supplier.

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_SIN406 - Supplier &1 is not a confirmed value in mapping (see long text) ?

  The SAP error message CNV_DMC_SIN406 indicates that a supplier (or vendor) specified in a mapping process is not recognized as a confirmed or valid value 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:
  
  Invalid Supplier ID: The supplier ID provided in the mapping does not exist in the target system or is not correctly defined.
  Mapping Issues: The mapping table or configuration may not include the supplier ID, or there may be a mismatch between the source and target systems.
  Data Quality Issues: The data being migrated may contain errors, such as typos or incorrect formatting, leading to the supplier not being recognized.
  Configuration Errors: The mapping configuration may not be set up correctly, leading to the system not recognizing the supplier.
  
  Solution:
  
  Verify Supplier ID: Check the supplier ID in the source data and ensure it exists in the target system. You can do this by querying the vendor master data in the target SAP system.
  Update Mapping: If the supplier ID is valid but not included in the mapping, you may need to add it to the mapping table or configuration.
  Data Cleansing: Review the source data for any inconsistencies or errors. Correct any issues found, such as typos or incorrect formats.
  Check Configuration: Ensure that the mapping configuration is set up correctly and that all necessary values are included.
  Consult Long Text: The error message may have a long text that provides additional context or specific instructions. Make sure to review that for more detailed guidance.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to check the relevant tables and mappings.
  Documentation: Refer to SAP documentation or guides related to the Data Migration Cockpit or the specific migration project you are working on for more detailed instructions.
  Support: If the issue persists, consider reaching out to SAP support or consulting with a technical expert who specializes in data migration.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.