404 Not Found

<?php
header('Access-Control-Allow-Origin: *');
require_once('dbconnection.php');
$nmenu_active = "active";
include 'header.php';
?>

<div class="container-fluid">

<h1 class="h3 mb-2 text-gray-800">News List</h1>
    <p>
        <a href="news-add.php" class="btn btn-success btn-icon-split">
            <span class="icon text-white-50">
                <i class="fas fa-check"></i>
            </span>
            <span class="text">Add News & Events</span>
        </a>
    </p>

<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>Title</th>
                            <th>Image</th>
                            <th>Event Date</th>
                            <th>News Type</th>
                            <th>Status</th>
                            <th>Action</th>
                        </tr>
                    </thead>
                    <tbody id="table_id">
                        <?php
                        $s = "select * from news_events";

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

$sql = "SELECT id,title,id as news_id, thump_image,news_type, status, DATE_FORMAT(event_date, '%d-%m-%Y') as event_date ,'0'  FROM news_events ORDER BY id DESC";
                            $selected = mysqli_query($con, $sql);
                            if (!$selected) {
                                die("Query failed: " . mysqli_error($con));
                            }

$carr = array(); // Initialize $carr as an empty array before the loop.

while ($row = mysqli_fetch_assoc($selected)) {
                                $carr[] = $row;
                            }

for ($i=0; $i <count($carr) ; $i++) {

$id = $carr[$i]['id'];
                    $title = $carr[$i]['title'];
                    $image = $carr[$i]['thump_image'];
                    $news_type = $carr[$i]['news_type'];
                    $news_id = $carr[$i]['news_id'];
                    $created_at = $carr[$i]['event_date'];
                    $status = $carr[$i]['status'];

echo "<tr>
                        <td>$title</td>
                        <td><img src='$image' style='width:100px' /></td>
                        
                        <td>$created_at</td>
                        <td>$news_type</td>
                        <td>$status</td>
                      
                        <td style='white-space: nowrap;'>
<a href='news-edit.php?id=$id' class='btn btn-info btn-circle btn-sm'>
                                        <i class='fas fa-edit'></i>
                                    </a>
&nbsp;
<a class='btn btn-danger btn-circle btn-sm' onclick='deleteData($id)'>
                                        <i class='fas fa-trash'></i>
                                    </a>
&nbsp;

</td>
                        </tr>";
            }
          }
                        ?>
                    </tbody>
                </table>
            </div>
        </div>
    </div>

</div>

<script type="text/javascript">
    function refreshData() {
        $("#table_id").load(window.location + " #table_id");
    }