404 Not Found

<?php
header('Access-Control-Allow-Origin: *');  
require_once('dbconnection.php');
error_reporting(0);

include 'header.php';

<div class="container-fluid">

<h1 class="h3 mb-2 text-gray-800">Contact Request List</h1>

<div class="card shadow mb-4">
                        <div class="card-header py-3">
                            
                        </div>
                        <div class="card-body">
                            <div class="table-responsive">
                                <table class="table table-bordered" id="dataTable" width="100%" cellspacing="0">
                                    <thead>
                                        <tr>
                                            <th>Name</th>
                                            <th>Email</th>
                                            <th>Phone</th>
                                            <th>Budget</th>
                                            <th>Comments</th>
                                            <th>Action</th>
                                        </tr>
                                    </thead>
                                    <tfoot>
                                        <tr>
                                            <th>Name</th>
                                            <th>Email</th>
                                            <th>Phone</th>
                                            <th>Budget</th>
                                            <th>Comments</th>
                                            <th>Action</th>
                                        </tr>
                                    </tfoot>
                                    <tbody id="table_id">
                                          <?php
          $s = "select * from contact";

$res = mysqli_query($con, $s);
          $num = mysqli_num_rows($res);
          if ($num == 0) 
          {
            echo '<tr>
                        <td colspan="6">No Datas Found</td>
                      </tr>';
          }
          else 
          {

$carr = array();
            $sql = "select * from contact";
       
            $selected = mysqli_query($con, $sql);
            while($row = mysqli_fetch_array($selected))
            {
                $id = $row['id'];
                $name = $row['name'];
                $email = $row['email'];
                $phone = $row['phone'];
                $budget = $row['budget'];
                $comments = $row['comments'];

echo "<tr>
                        <td>$name</td>
                        <td>$email</td>
                        <td>$phone</td>
                        <td>$budget</td>
                        <td>$comments</td>
                        <td style='white-space: nowrap;'>
<a class='btn btn-danger btn-circle btn-sm' onclick='deleteData($id)'>
                                        <i class='fas fa-trash'></i>
                                    </a>
                                    </td>
                        </tr>";
            }
          }

?>
                                        
                                        
                                    </tbody>
                                </table>
                            </div>
                        </div>
                    </div>

</div>
                
<script type="text/javascript">
    function refreshData(){
    $("#table_id").load(window.location + " #table_id");
    }
    function deleteData(id){
    var id = id;   
       var getData;
       $.ajax({
        url: 'api/contact.php',
        type: 'POST',
        data:{id:id,action:"contactdelete", referer:"ezioaws"},
        success: function (response) {
          var responseObject = JSON.parse(response);
          
          // console.log(responseObject.name,"response");
          console.log(response,"response");
          window.location.href="contact.php";
          // refreshData();   
        }
    });
    }
</script>
<?php include 'footer.php'?>