Message type: E = Error
Message class:  CNV_00001 - Message class for CWB settings maintenance programs 
Message number: 004
Message text: Table &1, field &2: check of the flag "No temporary duplicates" failed
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The SAP error message CNV_00001004 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is an issue with the uniqueness of records in a specified table and field, which is expected to have no temporary duplicates.
Cause: The error message "check of the flag 'No temporary duplicates' failed" suggests that the system has detected duplicate entries in the specified table and field that should be unique. This can happen due to several reasons: Data Quality Issues: The source data may contain duplicates that violate the uniqueness constraint. Incorrect Mapping: The mapping of fields during the migration process may not be set up correctly, leading to unintended duplicates. Temporary Duplicates: The migration process may have created temporary duplicates due to the way data is being processed or staged.
Solution: To resolve this error, you can take the following steps: Check Source Data:
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