ORA-51965
Cannot modify internal table owner_name.table_name of a vector index.
- owner_name: The owner of the index.
- table_name: The table name.
Cause
An attempt is being made to modify (for example, alter table, rename, create index on) an existing vector index auxiliary table.
Action
Do not modify the existing vector index internal table directly. Drop the existing vector index and then create the index again.