Message type: E = Error
Message class:  CNV_20100 - Messageclass for chart of account conversion 
Message number: 587
Message text: Backup tables are not filled or updated.
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The SAP error message CNV_20100587, which indicates that "Backup tables are not filled or updated," typically arises during data migration or conversion processes, particularly when using SAP's data migration tools. This error suggests that the system is expecting certain backup tables to be populated with data, but they are either empty or not updated as expected. Causes: Incomplete Data Migration Process: The data migration process may not have been completed successfully, leading to missing entries in the backup tables.
Configuration Issues: There may be configuration issues in the migration settings that prevent the backup tables from being populated. Authorization Issues: The user executing the migration may not have the necessary authorizations to write to the backup tables. Technical Errors: There could be technical errors or bugs in the migration program or related components that prevent the backup tables from being filled. Data Integrity Issues: If the source data has integrity issues, it may lead to failures
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