ORA-42702
Invalid ALTER JSON DUALITY VIEW command, unexpected keyword string
Cause
The view being altered is a JSON-relational duality view. The only supported ALTER command is [ENABLE | DISABLE] LOGICAL REPLICATION and [ENABLE | DISABLE] ALL TRIGGERS.
Action
Ensure that the command is [ENABLE | DISABLE] LOGICAL REPLICATION, [ENABLE | DISABLE] ALL TRIGGERS, or invoke the command for an appropriate view.