NameError in SessionsController#create uninitialized constant Admin::AdminsEvent

gistfile1.txt

def store_admin_names admins
  admin_names = []
  admins.each do |admin|
    admin_names << admin["name"]
    new_admin = Admin.find_or_initialize_by(fb_id: admin["id"])
    new_admin.name = admin["name"]
    new_admin.save!
    #new_admin.events << Event.last["id"] #this is the line giving me problems
  end
end