In some situations, the database tables needed for Security Ninja are not correctly created or updated when changes are made.
To fix this, please go to the settings page and scroll down to the bottom of the page and find the button “Run Update Database.”
When you click it, the database creation/update routines will run again. Nothing will happen to the data you already have, clicking this button only ensures that everything is set up as it should be.
Afterwards, you will notice a couple of entries in your log, similar to this:
Note: From version 3.3.16 updates to the database tables are automatically made when you update the plugin. The feature to manually update the database is left in the plugin in case the automatic update fails.