Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 557
Message text: &1: Overlap of structure fields for &2 and &3!
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The SAP error message CNV20551557 indicates that there is an overlap of structure fields in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error typically arises when two or more fields in a structure are defined in such a way that their memory allocation overlaps, which can lead to data integrity issues.
Cause: Field Overlap: The error occurs when two fields in a structure are defined in a way that they occupy the same memory space. This can happen due to incorrect field definitions or misalignment in the data structure. Data Mapping Issues: During data migration, if the mapping of fields from the source to the target structure is not done correctly, it can lead to overlaps. Changes in Data Structures: If there have been changes in the data structures (e.g., adding or removing fields) without proper adjustments in the migration logic,
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