You will need to delete the pn.expander cookie. This is what remembers your preferences for what is open and closed. Because you are a superuser, a new category has been added and bumped up the IDs within the cookie. The cookie function that remembers this is limited as it will not take into account new categories (as they are seldom changed). Deleting this cookie and revisiting the page, closing and opening the categories you want will fix this.