Cómo resolver error fatal en línea 44

hola com soluciono este error es al linea 44
if($executequery->recordcount()>0)
ahi dejo parte del codigo
session_start();
include("include/config.php");
include("include/functions/import.php");

$mainmenu = "0";
STemplate::assign('mainmenu',$mainmenu);

$ismainpage = "1";
STemplate::assign('ismainpage',$ismainpage);

//Get family filter settings
if($_SESSION[USERID] == "")
{
$showfamfilter = "AND mature='0'";
}
elseif($_SESSION[FAMILYFILTER] == "0")
{
$showfamfilter = "";
}
else
{
$showfamfilter = "AND mature='0'";
}

//NEWEST VIDEOS BEGIN
$query="SELECT * FROM videos WHERE public='1' AND active='1' $showfamfilter ORDER BY time_added desc limit 5";
$executequery = $conn->Execute($query);
if($executequery->recordcount()>0)
$newestvideos = $executequery->getrows();
STemplate::assign('newestvideos',$newestvideos);