Message type: E = Error
Message class:  CNV20345 - Message class 20345 
Message number: 011
Message text: CNV_10020_DTFLD: Entry for &1 - &2 was inserted
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The SAP error message CNV20345011 with the identifier CNV_10020_DTFLD indicates that an entry for a specific field (represented by placeholders &1 and &2) was inserted during a data conversion or migration process. This message is typically associated with the SAP Data Migration process, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools.
Cause: The error message suggests that during the data migration process, an entry was inserted into a target table for a specific field. This could happen due to several reasons, including: Data Mapping Issues: The source data may not have been correctly mapped to the target fields, leading to unexpected entries being created. Duplicate Entries: The migration process may have encountered duplicate entries in the source data, causing the system to insert new records instead of updating existing ones. Data Validation Failures: The data being migrated may not meet the validation rules set in the target system, leading to
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