Message type: E = Error
Message class:  CNV20200 - Messages for development class CNV_20200 
Message number: 452
Message text: &1 excluded from conversion
&V1& was found to be not relevant for the conversion.
Possible reason:
The assigned conversion routine is obsolete - either because of the
given mapping or because of the packages you use.
&V1& was excluded from the conversion.
Find out if the exclusion of the table or table field is justified.
Note: EURO and EMU tables as well as the related table fields are
excluded from the conversion by default.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV20200452, which states that "&1 excluded from conversion," 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 that a specific object or data record has been excluded from the conversion process due to certain conditions not being met. Causes: Data Inconsistencies: The data being converted may have inconsistencies or issues that prevent it from being processed. This could include missing mandatory fields, invalid data formats, or relationships that are not properly defined.
Configuration Issues: The configuration settings for the migration process may not be set up correctly, leading to certain records being excluded. Business Rules: There may be specific business rules defined in the migration process that dictate which records should be included or excluded based on certain criteria. Version Compatibility: The data or objects being converted may not be compatible with the target version of
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