updated order.rb

app/models/order.rb

@@ -254,7 +254,7 @@ class Order < ApplicationRecord
           left join dining_facilities on dining_facilities.id = bookings.dining_facility_id
           left join order_items on order_items.order_id = orders.order_id")
           .where("dining_facilities.type=? and orders.order_type=? and dining_facilities.is_active=?",DiningFacility::ROOM_TYPE,"dine_in",true)
-          .group("orders.order_id,order_items.id,dining_facilities.name")
+          .group("orders.order_id,order_items.order_item_id,dining_facilities.name")
 
   end
   #Origami: Cashier : to view orders
@@ -270,9 +270,7 @@ class Order < ApplicationRecord
           left join sale_orders on sale_orders.order_id = orders.order_id
           left join sales on sales.sale_id = sale_orders.sale_id")
           .where("dining_facilities.is_active=? and orders.date between ? and ?",true,from,to)
-
-          .group("orders.id,order_items.id,dining_facilities.name")
-
+          .group("orders.order_id,order_items.order_item_id,dining_facilities.name")
   end