Hi Allan,

yes as i said you some days ago the problem is that the ROKNAVMENU has a compatiblity issue with the mobile and responsive layout so when publishing it on mobile the error appears.

by the way you don't need it on mobile because Responsivizer has already its built-in mobile menu.
And yes, you can show the selected menu item on the menu bar, if you publish your main menu to the position 'responsivizer_menu_top' to render the mobile top menu and you enable the option -> Active menu title in the 'topmenu'

John