❔ System.NullReferenceException 'Object reference not set to an instance of an object.'

public IActionResult Index()
        {
            // List<Tipo> list = _context.Tipos.ToList();
            List<string> list = new List<string>();
            list.Add("Home");
            list.Add("Home");
            list.Add("Home");
            list.Add("Home");
            return View(list);
        }

<select class="form-select" name="tipo" id="tipo">
            @foreach (var item in Model)
            {
                <option value="abc">abc</option>
            }
        </select>