SqlException: Invalid column name 'ApplicationUser_Id'.

Cześć gdy próbuje dodać do bazy zamowienie to przy zapisie zamowienia do bazu wyskakuje taki błąd
SqlException: Invalid column name 'ApplicationUser_Id'.
System.Data.Entity.Infrastructure.DbUpdateException: „An error occurred while updating the entries. See the inner exception for details.”

using Sklep.Models;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Web;

namespace Sklep.Infrastructure
{
    public class OrderManager
    {
        private ISessionManager session;
        private ApplicationDbContext db = new ApplicationDbContext();

        public OrderManager(ISessionManager session)
        {
            this.session = session;


        }

        public const string sessionKey = "BasketKey";


        public List<OrderItems> GetBasket()
        {
            List<OrderItems> basket;

            if (session.Get<List<OrderItems>>(sessionKey) == null)
            {
                basket = new List<OrderItems>();
            }
            else
            {
                basket = session.Get<List<OrderItems>>(sessionKey) as List<OrderItems>;
            }
            return basket;
        }

        public void AddToBasket(int productId)
        {
            var basket = GetBasket();
            var basketItem = basket.Find(x => x.ProductId == productId);

            if (basketItem != null)
            {
                basketItem.Quantity++;
            }
            else
            {
                var product = db.Products.Find(productId);


                if (product != null)
                {
                    var newBasketItems = new OrderItems
                    {
                        Product = product,
                        ProductId = productId,
                        Quantity = 1,
                        Price = product.Price
                    };

                    basket.Add(newBasketItems);
                }
            }

            session.Set<List<OrderItems>>(sessionKey, basket);
        }

        public int DeleteFromBasket(int productId)
        {
            var basket = GetBasket();

            var basketItem = basket.Find(x => x.ProductId == productId);

            if (basketItem != null)
            {
                basketItem.Quantity--;
                return basketItem.Quantity;
            }
            else
            {
                basket.Remove(basketItem);
            }

            return 0;

        }


        public decimal GetTotalValue()
        {
            var basket = GetBasket();
            return basket.Sum(x => (x.Product.Price * x.Quantity));
        }

        public int GetAmountBasketItems()
        {
            var basket = GetBasket();
            return basket.Sum(x => x.Quantity);
        }


        public Order CreateOrder(Order newOrder, string userId)
        {
            var basket = GetBasket();

            newOrder.DateOfAddition = DateTime.UtcNow;
            newOrder.UserId = userId;


            db.Orders.Add(newOrder);

            if (newOrder.OrderItems == null)
                newOrder.OrderItems = new List<OrderItems>();

            decimal basketValue = 0;
            foreach (var item in basket)
            {
                var newOrderItems = new OrderItems()
                {
                    ProductId = item.ProductId,
                    Quantity = item.Quantity,
                    Price = item.Price,

                };
                basketValue += (item.Price * item.Quantity);
                newOrder.OrderItems.Add(newOrderItems);
            }

            newOrder.TotalValue = basketValue;
            
            db.SaveChanges();

            return newOrder;
        }

        public void EmptyBasket()
        {

            session.Abandom();
        }
    }

}

Wiecie może jak to naprawić Z góry dziękuje za pomoc :)

Zgaduje, że masz w modelu pole ApplicationUser_Id, a w bazie danych juz nie...