CODE EXAMPLE FOR HTML

GEThttp://127.0.0.1:5500/favicon.ico why this error

 <header>
        <nav class="navbar">
            <ul>
                <li><a href="#">Home</a></li>
                <li><a href="#">About</a></li>
                <li><a href="#">Services</a></li>
                <li><a href="#">Contact us</a></li>
                <div class="search">
                    <input type="text" name="search" id="search" placeholder="Search this website">
                </div>
            </ul>
        </nav>
    </header>