log_wr('COMM: '.$mesg);
$sem = Room::lock_data();
-$room = &Room::load_data();
+if (($room = &Room::load_data()) == FALSE) {
+ echo "Load data error";
+ log_wr("Load data error");
+ Room::unlock_data($sem);
+ exit;
+}
if (($user = &$room->get_user($sess, &$idx)) == FALSE) {
echo "Get User Error";
log_wr("Get User Error");