ORA-51991
Cannot add a Virtual Private Database (VPD) policy on table [owner_name].[table_name], since there exists a vector index with covering columns on it.
- owner_name: The owner of the index.
- table_name: The table name.
Cause
An attempt is being made to add a VPD policy to a table that has a covering column index.
Action
Drop the index and try again.