Debezium connect Oracle Add CLOB Field Have A ERROR

When I use debezium to connect to oracle, a CLOB field is added and an error occurs, see screenshot below.
Is there any problem with debezium's support for Oracle's CLOB field?

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I found that this error occurred while obtaining the ddl. If the CLOB field is used, an error will occur when obtaining the table definition. The cause of the error is this function:
select dbms_metadata.get_ddl ('TABLE', 'TEST', 'DEBEZIUM') from dual;
If the CLOB field is removed, this function can be executed correctly.