Mobile Menu Issue
We have a issue with the mobile menu on our website 'supercoolepreise.com'. If you click on the 'Main Menu' on a mobile device, you will get 2 menus: 'Categories' and 'Main Menu'.
On another website 'gekkeprijzenshop.boron.oiledwell.com' we don't have this issue. If you click there on the 'Main Menu' on a mobile device, you will get the content of the menu 'Main Menu'.
Our questions is, how can we set the mobile menu on 'supercoolepreise.com' like the menu on 'gekkeprijzenshop.boron.oiledwell.com'? Where on the Wordpress backend can we change the mobile menu?