ORA-42709
Cannot create JSON-relational duality view 'string': Conflicting checked column list across instances of the table 'string' that is referenced multiple times.
Cause
The specified table is referenced multiple times in the view and the list of checked (etag) columns is not the same across instances of the table.
Action
Ensure the list of columns is the same across all instances of the specified table or mark the non-common columns across instances of the table with NOCHECK.