I want to show all my project on one page. but it give me a null refence everytime i use the code to show all project. But when i add .Take(6) it works :D i dont get it. It worked earlier today. What do i do wrong ??

This one here it work with

 var selection = Model.Content.Site().FirstChild("projekter").Children().Where(x => x.IsVisible()).OrderByDescending(x => x.CreateDate).Take(6);

But this one her i dont. I get a nul reference

var blogItems = Model.Content.Children<Projekt>();

Here is the code i want to have to work :D

@inherits Umbraco.Web.Mvc.UmbracoTemplatePage
@using ContentModels = Umbraco.Web.PublishedContentModels;

@{
   var blogItems = Model.Content.Children<Projekt>();

}



<!-- Portfolio Grid -->
<section class="bg-light" id="portfolio">
    <div class="container">
        <div class="row">

            <div class="col-lg-12 text-center">
                <h2 class="section-heading text-uppercase">Projekter</h2>
                <h3 class="section-subheading text-muted">Vores projekter som vi er meget stolte af at vise dig.</h3>
            </div>
        </div>
        <div class="row">

            @foreach (var item in blogItems)
            {

                <div class="col-md-4 col-sm-6 portfolio-item">
                    <a class="portfolio-link" data-toggle="modal" href="@item.Url">
                        <div class="portfolio-hover">
                            <div class="portfolio-hover-content">
                                <i class="fas fa-plus fa-3x"></i>
                            </div>
                        </div>

                        <img src="@Umbraco.TypedMedia(item.GetPropertyValue<int>("billedeProjekt")).Url" style="width: 350px; height: 262px;" />


                    </a>
                    <div class="portfolio-caption">
                        <h4>@item.Name</h4>
                        <p class="text-muted">@Umbraco.Field("navnPaaProjekt")</p>
                    </div>
                </div>

            }
        </div>


    </div>
</section>