1

app/controllers/managements_controller.rb

@@ -1184,7 +1184,7 @@ end
   def partners
     @menu_type = 6
     @sub_type = 3
-    @partners = Partner.includes(:school).order("created_at desc")
+    @partners = Partner.includes(:school).order("partners.created_at desc")
     @partners = @partners.where("concat(schools.name) like ? ", "%#{params[:search]}%") unless  params[:search].blank?
 
     @current_partner = nil

app/models/customer.rb

@@ -1,5 +1,5 @@
 class Customer < ActiveRecord::Base
-  default_scope :order => 'created_at desc'
+  default_scope :order => 'customers.created_at desc'
   belongs_to :partner
   has_one :school
   has_many :users