Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 442
Message text: Analysis of more tables with personnel number fields in key:
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The SAP error message CNV20551442 typically relates to issues encountered during data migration or conversion processes, particularly when dealing with personnel number fields in SAP systems. This error is often associated with the SAP S/4HANA Migration Cockpit or other data migration tools.
Cause: The error message CNV20551442 indicates that the system has detected tables that contain personnel number fields in their keys, which may not be properly handled during the migration process. This can occur due to: Inconsistent Data Structures: The tables being analyzed may have personnel number fields that are not aligned with the expected data structure in the target system. Missing Mapping: There may be a lack of proper mapping for these fields in the migration configuration. Data Integrity Issues: The data in the source system may have integrity issues, such as duplicate personnel numbers or invalid formats. Custom Developments: Custom tables or fields that are not standard in SAP may not be recognized
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