WordPress Admin sub-level menu issue

Got it working like this:

function print_admin_menu() {
    add_options_page( 'Print Configuration', 'Print Configuration', 'manage_options', 
    'print_admin_config_page', 'my_callback' );
}

function my_callback(){
    ?>
    <div class="wrap">
        <h2>Welcome To My Plugin</h2>
    </div>
    <?php
}

File not found.