How To Fix CNV_20900203 - &1 duplicate entries has been deleted

CNV_20900203 - Overview

• Message type: E = Error

• Message class: CNV_20900 - Message class for package CNV_20900

• Message number: 203

• Message text: &1 duplicate entries has been deleted

Self-Explanatory Message

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CNV_20900203 - Details

• The SAP error message CNV_20900203 indicates that there are duplicate entries in a dataset that the system has identified and subsequently deleted. This message is typically associated with data migration or data conversion processes, particularly when using SAP's data migration tools or during system upgrades.
  
  Cause:
  
  
  Duplicate Data: The primary cause of this error is the presence of duplicate entries in the source data that are being processed. This can occur due to various reasons, such as:
  
  Data extraction issues where the same records are pulled multiple times.
  Inconsistent data entry practices leading to duplicates in the source system.
  Errors in data transformation logic that do not adequately handle duplicates.
  
  
  
  Data Migration Tools: This error is often encountered when using SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion tools, which automatically check for and handle duplicates.
  
  
  
  Solution:
  
  
  Identify Duplicates: Before running the migration or conversion process, it is essential to identify and