treasury and oasis errors

          $query1 = mysql_query('SELECT * FROM `' . TB_PREFIX . 'vdata` WHERE `wref` = ' . mysql_escape_string($_GET['d']));
          $data1 = mysql_fetch_assoc($query1);
          $query2 = mysql_query('SELECT * FROM `' . TB_PREFIX . 'users` WHERE `id` = ' . $data1['owner']);
          $data2 = mysql_fetch_assoc($query2); //line 218

   function getCoor($wref) {
	  $q = "SELECT x,y FROM ". TB_PREFIX ."wdata where id = $wref";
	  $result = mysql_query($q, $this->connection);
	  return mysql_fetch_array($result); //line 683
   }