Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 496
Message text: &1=&2 has already been deleted in previous run
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The SAP error message CNV20551496 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that a specific object (like a record or entry) that the system is trying to process has already been deleted in a previous run of the migration or conversion process.
Cause: Duplicate Processing: The error usually arises when the migration process attempts to process an object that has already been deleted in a prior execution. This can happen if the migration job is run multiple times without proper cleanup or if there are inconsistencies in the data being processed. Data Integrity Issues: There may be issues with the data integrity or the state of the database, leading to attempts to process already deleted records. Configuration Errors: Incorrect configuration or settings in the migration tool can also lead to this error.
Solution: Check Migration Logs: Review the migration logs to
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