Emoji award error in dev

The following error is occurring on dev.gitlab.org when trying to access https://dev.gitlab.org/gitlab/organization/issues/389

/cc @vsizov

Completed 500 Internal Server Error in 3979ms (ActiveRecord: 54.4ms)

ActionView::Template::Error (undefined method `[]' for nil:NilClass):
    1: .awards.votes-block
    2:   - awards_sort(votable.notes.awards.grouped_awards).each do |emoji, notes|
    3:     .award{class: (note_active_class(notes, current_user)), title: emoji_author_list(notes, current_user)}
    4:       = emoji_icon(emoji)
    5:       .counter
    6:         = notes.count
    7:
  app/helpers/issues_helper.rb:102:in `emoji_icon'
  app/views/votes/_votes_block.html.haml:4:in `block in _app_views_votes__votes_block_html_haml__902349971394231473_69815523981580'
  app/views/votes/_votes_block.html.haml:2:in `each'
  app/views/votes/_votes_block.html.haml:2:in `_app_views_votes__votes_block_html_haml__902349971394231473_69815523981580'
  app/views/projects/issues/show.html.haml:54:in `_app_views_projects_issues_show_html_haml___1366979768377152329_69815518861440'
  app/controllers/projects/issues_controller.rb:66:in `show'