Entity Framework hatası

protected override void OnModelCreating(ModelBuilder modelBuilder)
{
    modelBuilder.Entity<EntityAdıBuraya>()
        .Property(x => x.LastUpdateDate)
        .HasDefaultValueSql("GETDATE()");
}

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Logging;

namespace Consoleapp
{
   public class ShopContext: DbContext
   {
      public DbSet<Product> Produts {get;set;}
      public DbSet<Category> Categories {get;set;}
      public DbSet<User> Users { get; set; }
      public DbSet<Customer> Customers { get; set; }
      public DbSet<Address> Addresses { get; set; }

      public static readonly ILoggerFactory MyLoggerFactory
         = LoggerFactory.Create(builder => { builder.AddConsole(); });

      protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
       {
         optionsBuilder
         .UseLoggerFactory(MyLoggerFactory)
         //.UseSqlite("Data Source = shop.db");
         .UseSqlServer(@"Data Source = .\SQLEXPRESS; Initial Catalog= ShopDb; Integrated Security=SSPI;");
       }

        protected override void OnModelCreating(ModelBuilder modelBuilder)
        {
        
            modelBuilder.Entity<User>()
                        .HasIndex(u => u.Username)
                        .IsUnique();

            modelBuilder.Entity<Product>()
                        .ToTable("Urunler");                   

            modelBuilder.Entity<Customer>()
                        .Property(p => p.IdentityNumber)
                        .HasMaxLength(11)
                        .IsRequired();

            modelBuilder.Entity<ProductCategory>()
                        .HasKey(t => new {t.ProductId, t.CategoryId});

            modelBuilder.Entity<ProductCategory>()
                        .HasOne(pc => pc.Product)
                        .WithMany(p => p.ProductCategories)
                        .HasForeignKey(pc => pc.ProductId);
      
            modelBuilder.Entity<ProductCategory>()
                        .HasOne(pc => pc.Category)
                        .WithMany(c => c.ProductCategories)
                        .HasForeignKey(pc => pc.CategoryId);
        }

 
 
   }
   // Entity Product(Id, Name, Price) => Product(Id, Name, Price)

   // one to many

   public class User
   {
      public int Id { get; set; }
      [Required]
      [MinLength(8),MaxLength(15)]

      public string Username { get; set; }
      [Column(TypeName ="varchar(20)")]

      public string Email { get; set; }

      public Customer Customer { get; set; }

      public List<Address> Addresses { get; set; } // navigation property (bu property sayesinde nesneler üzerinde gezinebiliyoruz.)


   }

   public class Customer
   {
      [Column("customer_id")]
      public int Id { get; set; }
      [Required]

      public string IdentityNumber { get; set; }
      [Required]

      public string FirstName { get; set; }
      [Required]

      public string LastName { get; set; }
      [NotMapped]

      public string FullName { get; set; }

      public User User { get; set; }

      public int UserId { get; set; }
   }

   public class Supplier
   {
      public int Id { get; set; }

      public string Name { get; set; }

      public string TaxNumber { get; set; }

   }

   public class Address
   {
      public int Id { get; set; }

      public string Fullname { get; set; }

      public string Title { get; set; }

      public string Body { get; set; }

      public User User { get; set; } // navigation property

      public int UserId { get; set; }


   }

   public class Product
   {
      // primary key (Id, <type_name>Id)

      [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
      public int Id {get;set;}

      public string Name { get; set; }

      public decimal Price { get; set; }

      [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
      public DateTime InsertedDate { get; set; } = DateTime.Now;

      [DatabaseGenerated(DatabaseGeneratedOption.Computed)]
      public DateTime LastUpdatedDate { get; set; } = DateTime.Now;

      public List<ProductCategory> ProductCategories { get; set; }

   }

   public class Category
   {
      public int Id { get; set; }

      public string Name { get; set; }

      public List<ProductCategory> ProductCategories { get; set; }
   }
    //[NotMapped]
    [Table("UrunKategorileri")]
 
  public class ProductCategory
  {
   public int ProductId { get; set; }

   public Product Product { get; set; }

   public int CategoryId { get; set; }

   public Category Category { get; set; }
  }

   class Program
    {
        static void Main(string[] args)
        {
         using (var db = new ShopContext())
         {
            var p = new Product()
            {
               Name = "Samsung 12",
               Price = 20000
            };
            db.Produts.Add(p);
            db.SaveChanges();
         }     

                        
       }
            
    }
 
}