Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 478
Message text: Number of PDSNR for deletion in CNV_20551_PDSNR for package &1: &2
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The SAP error message CNV20551478 typically relates to issues encountered during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This specific error indicates that there is a problem with the number of PDSNR (Process Data Structure Number) entries that are marked for deletion in the specified package.
Cause: The error message CNV20551478 can occur due to several reasons: Exceeding Limits: The number of PDSNR entries that are marked for deletion exceeds the allowed limit for the package. Data Integrity Issues: There may be inconsistencies or integrity issues in the data that are causing the deletion process to fail. Configuration Errors: Incorrect configuration settings in the migration or conversion process can lead to this error. System Performance: If the system is under heavy load or if there are performance issues, it may not be able to process the deletion requests efficiently.
Solution: To resolve the CNV20551478 error, you can take the
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