Message type: E = Error
Message class:  CNV_10020 - Message class for package 10020 
Message number: 728
Message text: Only select rows that do not have an initial component
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The SAP error message CNV_10020728 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the system is trying to process rows that have an initial component, which is not allowed in the context of the operation being performed.
Cause: The error is caused by the presence of rows in the data set that do not meet the required criteria for processing. Specifically, it suggests that the data being processed includes entries that have an initial or empty component, which is not valid for the operation. This could happen due to: Data Quality Issues: The source data may contain incomplete or improperly formatted entries. Configuration Errors: The mapping or transformation rules may not be correctly set up to handle certain data scenarios. Business Logic Constraints: The business rules defined in the migration process may require certain fields to be populated, and the
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