Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 379
Message text: Different domains; &1 is not equal to &2 (in CNV_20551_TSTRUC)
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The SAP error message CNV20551379 indicates that there is a mismatch between two domains in the context of a data conversion or migration process. Specifically, the error message states that the two domains being compared are not equal, which can lead to issues during data transformation or loading.
Cause: This error typically arises during data migration or conversion processes, particularly when using SAP's data migration tools (like the SAP S/4HANA Migration Cockpit or other conversion tools). The specific causes can include: Domain Mismatch: The fields being compared belong to different domains, which means they have different data types, lengths, or value ranges. Incorrect Mapping: The mapping of fields from the source system to the target system may not be correctly defined, leading to comparisons between incompatible fields. Data Quality Issues: The data in the source system may not conform to the expected formats or types defined in the target system.
Solution: To resolve this error, you can
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