Message type: E = Error
Message class:  CNV_10020 - Message class for package 10020 
Message number: 803
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 exit &V3& of the interface IF_CNV_10020_EXTDATA_PROVIDER in class
&V4& (method GET_DATA_ACCESS_CODE) needs to be implemented.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_10020803 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 due to limitations in the functionality available for that object.
Cause: Unsupported Object Type: The object type specified in the error message (&2) is not supported by the current migration or conversion process.
Configuration Issues: There may be configuration settings that are not properly set up for the object type in question. Version Compatibility: The version of the SAP system or the migration tool being used may not support the specific object type. Missing Customization: If the object type is a custom object or a specific configuration, it may not have been included in the migration scope.
Solution: Check Object Type: Verify the
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