Message type: E = Error
Message class:  CNV_2001C - Message class for Solution Builder Table Conversion 
Message number: 020
Message text: NOVIEW marked for tables : &1 entries updated
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The SAP error message CNV_2001C020 NOVIEW marked for tables: &1 entries updated typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that certain tables have been marked as "no view" (NOVIEW) during the migration process, which means that the system is unable to create a view for those tables, potentially due to issues with the data or the configuration.
Cause: Data Inconsistency: The data in the specified tables may not meet the requirements for creating a view. This could be due to missing or invalid entries.
Configuration Issues: There may be configuration settings in the migration tool that are not correctly set up, leading to the inability to create views for certain tables. Table Structure Changes: If the structure of the tables has changed (e.g., during an upgrade or migration), the system may not be able to create views for those
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