I am using Meta Box AIO.
I have an option page called “Option Page 1” and a custom post type called “Custom Post Type 1”. A taxonomy, “Taxonomy 1”, was created and assigned to “Custom Post Type 1”.
To maintain a clean structure, I want to add “Custom Post Type 1” under “Option Page 1”. This works, but the “Taxonomy 1” page then disappears. Is it possible to add the “Taxonomy 1” page under “Option Page 1”, and how can I do that?