app/models/entities/campaign.rb in fat_free_crm-0.20.1 vs app/models/entities/campaign.rb in fat_free_crm-0.21.0

@@ -37,10 +37,10 @@
   has_many :tasks, as: :asset, dependent: :destroy # , :order => 'created_at DESC'
   has_many :leads, -> { order "id DESC" }, dependent: :destroy
   has_many :opportunities, -> { order "id DESC" }, dependent: :destroy
   has_many :emails, as: :mediator
 
-  serialize :subscribed_users, Set
+  serialize :subscribed_users, Array
 
   scope :state, lambda { |filters|
     where('status IN (?)' + (filters.delete('other') ? ' OR status IS NULL' : ''), filters)
   }
   scope :created_by,  ->(user) { where(user_id: user.id) }