Message type: E = Error
Message class:  CNV21500 - Messages for HR conversions basis 
Message number: 019
Message text: No info about &1 in CNV_INDX_STRUC.
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The SAP error message CNV21500019 indicates that there is no information available for a specific object (denoted by &1) in the table CNV_INDX_STRUC. This error typically arises during data migration or conversion processes, particularly when using SAP's data migration tools.
Cause: Missing Configuration: The object referenced by &1 may not have been properly configured or defined in the migration settings. Data Structure Issues: The data structure expected by the migration tool may not match the actual data structure in the source system. Incorrect Mapping: There may be an issue with the mapping of fields or structures in the migration process. Incomplete Migration Setup: The migration project may not have been fully set up, leading to missing entries in the CNV_INDX_STRUC table.
Solution: Check Configuration: Verify that the object referenced by &1 is correctly configured in the migration project. Ensure that all necessary settings are in place. Review Data Structures: Ensure that the data structures in the source system
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