Message type: E = Error
Message class:  CNV20201 -  
Message number: 851
Message text: No data records were found in &!
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 CNV20201851 typically indicates that no data records were found in the specified table or data source during a data migration or conversion process. This error is often encountered in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion projects.
Cause: Empty Source Table: The most common cause is that the source table or data source specified does not contain any records. This could be due to a variety of reasons, such as: The data was not loaded into the source system. The data was deleted or filtered out before the migration process. Incorrect selection criteria or filters applied during the data extraction process. Incorrect Configuration: There may be an issue with the configuration settings in the migration tool, leading to incorrect data source references. Authorization Issues: The user executing the migration may not have the necessary authorizations to read the data from the source
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