Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 452
Message text: Field of domain &1 not found in key of table &2
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The SAP error message CNV20551452, which states "Field of domain &1 not found in key of table &2," typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or during the execution of a conversion program. This error indicates that a field associated with a specific domain is not present in the key fields of the specified database table.
Cause: Field Not in Key: The field defined by the domain is not part of the primary key of the specified table. In SAP, certain operations require that fields be part of the key to ensure data integrity and proper referencing. Data Model Changes: If there have been changes to the data model (e.g., fields added or removed) in the target system, this can lead to discrepancies. Incorrect Mapping: During data migration, if the mapping of fields from the source to the target is incorrect, it can lead to this
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