FIX: class.php l.1080 avoid error when no user logged in

Please add this FIX to class.php l.1080 to avoid error when no user logged in

add_action('wp_footer', 'ai_footer_custom_codes');
function ai_footer_custom_codes()
{
	$user_id  = get_current_user_id();
    //FIX: avoid error when not logged in
    if (! $user_id){return;}