title: "error undefined" Opencart 2.2 admin dashboard while changing "Latest Orders" status
body: <p>I have installed opencart 2.2 with Journal 2.7.4 theme, when i try to change the status of order from admin dashboard, i come across an error "error undefined", Plz suggest to resolve this issue.<a href="http://i.stack.imgur.com/BBeHx.jpg" rel="nofollow">Error screenshot</a></p>