Message type: E = Error
Message class:  CNV_MBT - PCL message class 
Message number: 517
Message text: member id &1 group id &2 of package &3 have fields from different struc.
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The SAP error message CNV_MBT517 indicates that there is an issue with the data structure of a member in a package during a data migration or conversion process. Specifically, it suggests that the member ID and group ID specified in the error message have fields that come from different structures, which is not allowed.
Cause: Inconsistent Data Structures: The error typically arises when the data being processed has fields that are expected to come from a single structure but instead are being pulled from multiple structures. This can happen if the data model has changed or if there are inconsistencies in the mapping of fields during the migration process.
Configuration Issues: There may be configuration issues in the migration settings that lead to the selection of fields from different structures. Data Quality Issues: The source data may have inconsistencies or errors that lead to the selection of fields from different structures.
Solution: Check Data Mapping: Review
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