Message type: E = Error
Message class:  CNV_20309 -  
Message number: 010
Message text: Download program was completed with unknown status
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
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The SAP error message CNV_20309010: Download program was completed with unknown status typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or the SAP S/4HANA Migration Cockpit. This error indicates that the download program did not complete successfully, but the system is unable to determine the exact reason for the failure. Causes: Network Issues: Temporary network disruptions can lead to incomplete downloads or communication failures. Insufficient Authorizations: The user executing the download may not have the necessary permissions to perform the operation. System Resource Limitations: Insufficient memory or processing power on the server can cause the program to fail. Configuration Errors: Incorrect settings in the migration or conversion tools can lead to unexpected behavior. Data Issues: Problems with the data being processed, such as invalid formats or missing required fields, can cause the program to fail. Temporary System Issues: Bugs or temporary glitches in the SAP system can also lead to
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