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

CNV_DMC_SIN403 - Overview

• 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.

CNV_DMC_SIN403 - Details

• 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