PHP Warning: htmlspecialchars(): charset `UTF-8;’ not supported

Thanks for superb plugin, hope i get pro version soon.

I’m getting this on my error_log , on every request so it’s going higher on error_log mb.

PHP Warning: htmlspecialchars(): charset `UTF-8;’ not supported, assuming utf-8 in /home/*****/public_html/wp-content/plugins/wp-seopress/inc/functions/options-social.php on line 355

341 to 356;

//OG URL
function seopress_social_facebook_og_url_hook() {
if (seopress_social_facebook_og_option() ==’1′) {

global $wp;
if (seopress_advanced_advanced_trailingslash_option()) {
$current_url = home_url(add_query_arg(array(), $wp->request));
} else {
$current_url = trailingslashit(home_url(add_query_arg(array(), $wp->request)));
}

if (is_search()) {
$seopress_social_og_url = ‘<meta property=”og:url” content=”‘.get_home_url().’/search/’.get_search_query().'” />’;
} else {
$seopress_social_og_url = ‘<meta property=”og:url” content=”‘.htmlspecialchars($current_url).'” />’;
}