Invalid object name 'RefreshToken - asp.net-core

Question

i am trying to make a login system with jwt and refresh token using sql as db and asp.net core as frontend.
and i get below error. in data base i have made user table but not RefreshToken table as RefreshToken is going to generated and saved on cookie of the browser.
Invalid object name 'RefreshToken
here is my Model User
public class User
{
public int Id { get; set; }
public string FirstName { get; set; }
public string LastName { get; set; }
public string Username { get; set; }
[JsonIgnore]
public string Password { get; set; }
[JsonIgnore]
public List<RefreshToken> RefreshTokens { get; set; }
}
here is another model RefreshToken
using Microsoft.EntityFrameworkCore;
using System;
using System.ComponentModel.DataAnnotations;
using System.Text.Json.Serialization;
namespace Api_R.Entities
{
[Owned]
public class RefreshToken
{
[Key]
[JsonIgnore]
public int Id { get; set; }
public string Token { get; set; }
public DateTime Expires { get; set; }
/////////
}
}
and here i am using my controller
public AuthenticateResponse Authenticate(AuthenticateRequest model, string ipAddress)
{
var user = _apiDbContext.User.SingleOrDefault(x => x.Username == model.Username && x.Password==model.Password);
// validate
if (user == null)//|| !BCryptNet.Verify(model.Password, user.PasswordHash))
throw new AppException("Username or password is incorrect");
// authentication successful so generate jwt and refresh tokens
var jwtToken = _jwtUtils.GenerateJwtToken(user);
var refreshToken = _jwtUtils.GenerateRefreshToken(ipAddress);
user.RefreshTokens.Add(refreshToken);
// remove old refresh tokens from user
removeOldRefreshTokens(user);
return new AuthenticateResponse(user, jwtToken, refreshToken.Token);
}
and now i am getting error invalid object name refresh token