How To Fix CNV_20100642 - Duplicative COES keys found

CNV_20100642 - Overview

• Message type: E = Error

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

• Message number: 642

• Message text: Duplicative COES keys found

Self-Explanatory Message

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CNV_20100642 - Details

• The SAP error message CNV_20100642 indicates that there are duplicative COES (Controlling Object Entry Sheet) keys found during a data migration or conversion process. This error typically arises in the context of SAP's data migration tools, particularly when using the SAP S/4HANA Migration Cockpit or other conversion tools.
  
  Cause:
  The error is caused by the presence of duplicate entries in the COES table, which is used to store controlling object entries. This can happen due to:
  
  Data Duplication: The source system may have duplicate records for the same controlling object, leading to conflicts during the migration.
  Incorrect Mapping: During the mapping of data from the legacy system to the target system, if the same key is mapped to multiple records, it can result in duplicates.
  Data Quality Issues: Poor data quality in the source system can lead to inconsistencies and duplicates.
  
  
  Solution:
  To resolve the CNV_20100642 error, you can follow these steps:
  
  
  Identify Duplicates:
  
  Use SQL queries or data