Message type: E = Error
Message class:  CNV21500 - Messages for HR conversions basis 
Message number: 010
Message text: Type of comp. &1 is different in CNV_INDX_STRUC(&2) than in directory(&3)
Type of comp. &v1& is different in CNV_INDX_STRUC(&v2&) than in
directory(&v3&).
This generally shouldn't happen, because it means that knowledge
gathered in CNV_INDX_STRUC doesn't comply with the real RELID
structure.
This will trigger an error if this component is relevant for
conversion.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Update knowledge in CNV_INDX_STRUC table.
There is a program in development class CNV_21500, which compares RELID
structures in directory and in CNV_INDX_STRUC table. It might be
helpful to find out the actual structure of a RELID.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV21500010 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates a mismatch in the data structure or type of a component between the source data and the target structure defined in the migration directory.
Cause: The error message indicates that the type of a component (field) in the source structure (CNV_INDX_STRUC(&2)) does not match the type defined in the migration directory (&3). This can happen due to several reasons: Data Type Mismatch: The data type of a field in the source system is different from what is expected in the target system. Field Length Differences: The length of the field in the source system may not match the length defined in the target structure. Incorrect Mapping: The mapping configuration between the source and target structures may be incorrect or incomplete. Changes in Data Model: If there have
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CNV21500009 Component &1 is indicated in directory but not in RELID CNV_INDX_STRUC
What causes this issue?  Component &v1& is indicated in directory but not in RELID CNV_INDX_TABLES. This may happen if the component is never ...
CNV21500008 Component &1 is indicated in CNV_INDX_STRUC but not in RELID directory
What causes this issue?  Component &v1& is indicated in CNV_INDX_TABLES but not in RELID directory. This generally shouldn't happen, beca...
CNV21500011 Wrong type of conversion-relevant component &1
What causes this issue?  Type of component &v1& is different in CNV_INDX_STRUC(&v2&) than in directory(&v3&) and this componen...
CNV21500012 Unknown import routine for RELID <&1,&2>
What causes this issue?  Unknown import routine for RELID <&v1&,&v2&>. It is not indicated in table CNV_INDX_MACROS, how the dat...
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