Better related posts warning

<?php
    $scores = the_related_get_scores(get_the_ID(), array(
        'usept' => array(
            'post'  => true
        ),
        'usetax'        => array(
            'post_tag'  => true
        ),
    ));
    $posts = array_slice(array_keys( $scores ), 0, 5 ); // keep only the the five best results
    $args = array(
        'suppress_filters' => true, // necessary in combination with the sticky-custom-post-types plugin
        'post__in'          => $posts,
        'posts_per_page'    => 5,
        'caller_get_posts'  => 1,
    );
    $my_query = new WP_Query( $args );
    function orderby( $a, $b ) {
        global $posts;
        $apos   = array_search( $a->ID, $posts );
        $bpos   = array_search( $b->ID, $posts );
        return ( $apos < $bpos ) ? -1 : 1;
    }
    usort( $my_query->posts, "orderby" );
    if ( $my_query->have_posts()) { ?>
        <ul class="posts">
        <?php while ( $my_query->have_posts()) : $my_query->the_post(); ?>
           <li><a href="<?php the_permalink(); ?>"><?php the_title(); ?> - <span class="list-date"><?php echo get_the_date(); ?></span></a></li>
        <?php endwhile; ?>
        <?php wp_reset_query(); ?>
        </ul>
    <?php } else { ?>
        <p>No related features found</p>
    <?php } ?>