A couple of weeks ago, sub nested menus stopped working across our site http://www.kanefm.com . We used to have two menus that dropped down, "DJ's" and "Shows". The "Show" page had sub menus for genre and then sub menus containing the show names. I have no idea why it has stopped working.
I have tried a couple of things to resolve the issue. I have tried to remove all unnecessary plugins, disable all plugins, update everything and remove some menu items. Unfortunately none of this worked.
There are a lot of people talking about similar issues but am yet to find a solution that fits mine or a solution that works.
Any help would be hugely appreciated.