Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 004
Message text: In CHECK_OUT_OBJNR, only check routine &2 is used for for OBART=&1!
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The SAP error message CNV20551004 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is an issue with the object number (OBJNR) being checked against the expected object type (OBART).
Cause: The error message CNV20551004 arises when the system encounters an object number that does not match the expected object type during a check routine. Specifically, it indicates that only one check routine is being used for the specified object type, which may not be appropriate for the data being processed. This can happen due to: Data Inconsistency: The data being migrated may contain inconsistencies or invalid entries that do not conform to the expected formats or types.
Configuration Issues: The configuration settings for the migration process may not be correctly set up to handle the specific object types involved. Custom Code: If there are custom routines or enhancements in
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