Message type: E = Error
Message class:  CNV - Conversion: Messages for Conversion Services (CNCC) 
Message number: 820
Message text: Package &1 does not contain any tables
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The SAP error message "CNV820 Package &1 does not contain any tables" typically occurs during the execution of a conversion or migration process, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the specified package does not have any database tables associated with it, which is necessary for the migration or conversion process to proceed.
Cause: Empty Package: The specified package (denoted by &1) does not contain any database tables. This could happen if the package was created but no tables were added to it. Incorrect Package Name: The package name provided might be incorrect or misspelled, leading to the system not finding any associated tables. Authorization Issues: The user executing the migration might not have the necessary authorizations to view or access the tables in the specified package. Technical Issues: There could be underlying technical issues with the SAP system or the database that prevent the
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