Message type: E = Error
Message class:  CNV_20100 - Messageclass for chart of account conversion 
Message number: 564
Message text: Number of single values deleted: &1
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The SAP error message CNV_20100564, which states "Number of single values deleted: &1," is typically associated with data migration or data conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This message indicates that a certain number of single values (data entries) have been deleted during a migration or conversion process.
Cause: Data Validation Issues: The data being migrated may not meet the required validation rules or constraints in the target system, leading to the deletion of those entries. Incompatible Data Structures: The source and target systems may have different data structures, causing some values to be incompatible and thus deleted. Configuration Settings: Certain configuration settings in the migration tool may dictate that specific values should be excluded or deleted during the migration process. Data Quality Issues: Poor data quality in the source system, such as duplicates or incorrect formats, can lead to the deletion of values.
Solution: Review Migration Logs: Check the
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