Pro stores events, scheduled scans, firewall data, and related records in custom database tables. Those tables are normally created or updated on install or upgrade. They are dropped when you delete the plugin, or when you deactivate with Remove settings when deactivating turned on. See Remove settings when deactivating.
If tables are missing or out of date:
- Go to Security Ninja → Tools.
- Click Update Database.
- Wait for the process to finish, then reload the feature that was failing (Events, Firewall, Scheduled Scanner, and so on).
