Get Co-Authors-Plus to talk with Yoast's WP-SEO

co-authors-to-wp-seo.php

<?php
function wp_co_author_title($title){
    
    if (is_author()){
        $aTitle = get_the_author();
        if (empty($aTitle)){
            if (function_exists('get_coauthors')){
                $qo = get_queried_object();
                $bTitle = $qo->display_name;
                return $bTitle . $title;
            }
        }
        return $title;
    }
    return $title;
    
}
add_filter('wpseo_title', 'wp_co_author_title');