ORA-43539
Cannot create directive 'string': notification table with JSON columns cannot be created in non-Automatic Segment Space Management tablespace 'string'
Cause
When a notification directive is created on a duality view, a notification table is automatically created. The notification table has one or more JSON columns. Tables with JSON data type columns are not supported in non-Automatic Segment Space Management (ASSM) tablespaces.
Action
Modify the directive to specify a tablespace with Automatic Segment Space Management (ASSM).