How To Fix CNV_20100643 - First found duplicative COES key: &1 &2 &3 &4

CNV_20100643 - Overview

• Message type: E = Error

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

• Message number: 643

• Message text: First found duplicative COES key: &1 &2 &3 &4

What causes this issue?

You selected the optional quick search for duplicate COES keys.

System Response

Only the first found duplicate COES key is stored in the log.

How to fix this error?

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_20100643 - Details

• The SAP error message CNV_20100643, which indicates "First found duplicative COES key: &1 &2 &3 &4," typically arises during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error is related to the COES (Controlling Object Entry) table, which is used in the Controlling (CO) module of SAP to store various controlling-related data.
  
  Cause:
  The error occurs when the migration process encounters duplicate keys in the COES table. The keys mentioned in the error message (&1, &2, &3, &4) represent specific fields that together form a unique identifier for entries in the COES table. When the migration tool finds more than one entry with the same key, it raises this error to prevent data integrity issues.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify Duplicates: Use SQL queries or SAP transaction codes (like SE16 or SE11) to check the COES table for duplicate entries