Message type: E = Error
Message class:  CNV_20800 - Message class for CNV_20800 
Message number: 217
Message text: &1 duplicate entries has been deleted
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The SAP error message CNV_20800217 indicates that there are duplicate entries in a specific dataset that the system has identified and subsequently deleted. This error typically arises during data migration or data conversion processes, particularly when using SAP's data migration tools or during the execution of certain programs that handle large volumes of data.
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: 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: The error is often associated with SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion programs that check for data integrity and uniqueness.
Solution: Identify Duplicates: Before running the migration or conversion process, it is
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