All in One SEO Pack vs Category SEO Meta Tags

//All in One SEO Pack vs Category SEO Meta Tags
else if ( ( is_tax() || is_category() ) && !is_feed() ) {//<-- $cat_obj = $this->get_queried_object();$title=json_encode($cat_obj);

    $cur_cat_id = get_cat_id( single_cat_title("",false) );
    if(is_category($cur_cat_id)) {
        if(get_option('cat_meta_key_'.$cur_cat_id)) {
        $cat_meta_data = get_option('cat_meta_key_'.$cur_cat_id);
        if($cat_meta_data['page_title'])return $cat_meta_data['page_title'];
    }
    }
    return $this->get_tax_title();//<-

..
                if (!is_category()) {
                $meta_string .= sprintf( "<meta name=\"description\" %s content=\"%s\" />\n", $desc_attr, $description );
                }