Keystone Error

[HaswinVidanage]

I get this error when i access http://localhost:3000/keystone/ after login in with [email protected]

TypeError: C:~~\sydjs-site\templates\includes\layout\header.jade:19 17| nav(role='navigation') 18| ul.navbar-nav.navbar-nav--left

19| each link in navLinks 20| li(class=(section == link.key ? 'nav-item-' + link.key + ' active' : 'nav-item-' + link.key)): a(href=link.href)= link.label 21| li: a(href='mailto:[email protected]') Contact 22| ul.navbar-nav.navbar-nav--right