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add_user.ejs

<!--include header-->
<%- include('include/_header')%>
<!--/include header-->


<!-- Main Site -->
<main id="site-main">
    <div class="container">
       <div class="box-nav d-flex justify-between">
        <div class="filter">
            <a href="/"><i class="fas fa-backward"></i>Visi Naudotjai</a>
        </div>
       </div>
       <div class="form-title text-center">
           <h2 class="text-dark">Naujas naudotojas</h2>
           <span class="text-light">Naudokitės apačioja pateikta forma susikuriant nauja naudotojas</span>
       </div>
       
       <!-- add user form -->
       <%- include('include/_form')%>
    </div>
</main>
 <!-- /Main Site -->



<!--include footer-->
<%- include('include/_footer')%>
<!--/include footer-->

Cannot understand there is the problem when i try to presss on main site add new user its need to open a new tab with a new just form but i get just this error someone know there is mistake was made ?