How To Fix CNV_DMC_SIN403 - Customer &1 is confirmed and differs from contract partner &2 (long text)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 403

• Message text: Customer &1 is confirmed and differs from contract partner &2 (long text)

What causes this issue?

You want to create a customer for an already existing contract partner
with the same number. The mapping of customer and contract partner are
both confirmed, but the target values are different.

System Response

The record will be skipped until the mapping is correct.

How to fix this error?

Please check the values from the source file and the confirmed mapping
values.

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_SIN403 - Customer &1 is confirmed and differs from contract partner &2 (long text) ?

  The SAP error message CNV_DMC_SIN403 indicates a discrepancy between the customer data and the contract partner data during a data migration or conversion process. This error typically arises in the context of SAP Data Migration Cockpit (DMC) or during the use of SAP S/4HANA Migration tools.
  Cause:
  The error occurs when the system detects that the customer specified in the migration data does not match the contract partner defined in the relevant contract or agreement. This can happen due to:
  
  Data Inconsistency: The customer master data may have been changed or not updated correctly in the source system.
  Incorrect Mapping: During the migration process, the mapping of customer data to contract partners may not have been set up correctly.
  Duplicate Entries: There may be duplicate entries for customers or contract partners that are causing confusion in the system.
  Configuration Issues: The configuration settings in the SAP system may not align with the expected data structure.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Verify Customer and Contract Partner Data:
  
  Check the customer master data and the contract partner data in the source system to ensure they are consistent and correctly defined.
  Ensure that the customer number matches the contract partner number as expected.
  
  
  
  Review Migration Mapping:
  
  Review the mapping configuration in the migration tool to ensure that the customer and contract partner fields are correctly aligned.
  Make adjustments as necessary to ensure that the correct relationships are established.
  
  
  
  Data Cleansing:
  
  Perform data cleansing in the source system to eliminate any inconsistencies or duplicates in customer and contract partner records.
  Ensure that all relevant data is up-to-date and accurately reflects the business relationships.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific migration tool you are using to understand any additional requirements or configurations that may be necessary.
  
  
  
  Testing:
  
  After making the necessary adjustments, conduct a test migration to verify that the error has been resolved and that the data is being migrated correctly.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE16 or SE11 to check the underlying tables for customer and contract partner data.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data migration issues.
  Migration Cockpit: Familiarize yourself with the SAP Data Migration Cockpit and its functionalities, as it provides tools and templates for data migration.
  
  By following these steps, you should be able to identify the root cause of the CNV_DMC_SIN403 error and implement a solution to resolve it.