How To Fix CNV_20100428 - No indicator for duplicate handling is set for customer-specific table &1

CNV_20100428 - Overview

• Message type: E = Error

• Message class: CNV_20100 - Messageclass for chart of account conversion

• Message number: 428

• Message text: No indicator for duplicate handling is set for customer-specific table &1

What causes this issue?

The following key fields are converted in the customer-specific or
generated table &V1&: &V2&
This means that duplicate records may occur when charts of accounts and
accounts/cost elements are merged.

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?

Set the indicator for duplicate handling for table &V1&
accordingly in the activity for maintaining customer-specific tables and
fields.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CNV_20100428 - Details

• The SAP error message CNV_20100428 indicates that there is no indicator set for duplicate handling in a customer-specific table during a data migration or conversion process. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data transfer processes.
  
  Cause:
  The error occurs because the system is trying to process data from a customer-specific table, but it cannot find any configuration that specifies how to handle potential duplicate entries. This can happen if:
  
  The table in question has not been properly configured for duplicate handling.
  The necessary settings or indicators for duplicate handling have not been defined in the migration or conversion project.
  The data model or structure of the customer-specific table does not align with the expected configuration for duplicate handling.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Table Configuration:
  
  Review the configuration of the customer-specific table (&1 in the error message).