ActionView::Template::Error: undefined method `title' for nil:NilClass

[sentry]

Sentry Issue: HACKWEEK-2V

NoMethodError: undefined method `title' for nil:NilClass
  app/views/updates/_show.html.haml:9:
    = link_to "#{update.project.title}", project_path(update.project)
  app/views/updates/_activity.html.haml:12:
    = render :partial => "updates/show", :locals => { :update => update }
  app/views/updates/_activity.html.haml:10:
    - @updates.each do |update|
  app/views/users/show.html.haml:46:
    = render partial: 'updates/activity'
...
(167 additional frame(s) were not displayed)

ActionView::Template::Error: undefined method `title' for nil:NilClass