Errno::ENOENT: No such file or directory @ rb_sysopen - /home/andy/metasmoke/config/config.yml

class TopbarChannel < ApplicationCable::Channel
  def subscribed
    stream_from 'topbar'
    ActionCable.server.broadcast 'topbar', { data: 'something' }
  end

  def unsubscribed
    # Any cleanup needed when channel is unsubscribed
  end
end

diff --git a/db/schema.rb b/db/schema.rb
index 0b28f1d..8f8ee73 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -145,7 +145,7 @@ ActiveRecord::Schema.define(version: 20170607163348) do
     t.datetime "updated_at", null: false
   end

-  create_table "flags", id: :integer, force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
+  create_table "flags", id: :integer, force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8" do |t|
     t.string "reason", collation: "utf8_unicode_ci"