Sorry, an error occurred loading the page (500)

non_object_property_load

/var/www/app/current/src/templates/views/busqueda.jade:29
27| if (!_.isNull(item.elem.losautores))
28| if (item.elem.losautores.length < 2)
> 29| =item.elem.losautores[0].titulo
30| else if (item.elem.losautores.length == 2)
31| =item.elem.losautores[0].titulo
32| |&nbsp;y&nbsp;

Cannot read property 'titulo' of undefined