Message type: E = Error
Message class:  CNV_10020 - Message class for package 10020 
Message number: 802
Message text: Functionality not available for object type &2
You tried to use a functionality that is not implemented within package
&V1&.
For all objects of type &V2&, the functionality doesn't work.
The method &V3& of the interface IF_CNV_10020_EXTDATA_PROVIDER in class
&V4& needs to be implemented.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_10020802 with the description "Functionality not available for object type &2" typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or the SAP S/4HANA Migration Cockpit. This error indicates that the system is unable to perform a specific operation for the given object type, which is represented by the placeholder &2.
Cause: Unsupported Object Type: The object type you are trying to process may not be supported by the current migration or conversion tool you are using.
Configuration Issues: There may be configuration settings that are not properly set up for the object type in question. Missing Customization: If the object type is a custom object or a specific configuration that is not included in the standard migration templates, the system may not recognize it. Version Compatibility: The version of the SAP system or the migration tool may not support the functionality for the specified
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