/var/web/gazeta/app/views/common/author.jade:15 13| i.fa.fa-user 14| span.author(style="margin-left:5px;") > 15| a(href="/user/" + author._id)=author.name + " " + author.surname 16| script. 17| require(['main'],function(){ 18| require(['jquery'],function($) { Cannot read property '_id' of null