Erreur fatal en ayant tester un projet wamp/php

<?php

// Table name
if( !defined('TBL') ){
 define('TBL',true);
 define('TBL_AB','ability');
 define('TBL_ACC','access');
 define('TBL_ATT','attribute');
 define('TBL_BIG','bigfield');
 define('TBL_CLA','classe');
 define('TBL_CLA_AB','classe_ability');
 define('TBL_D','data');
 define('TBL_D_AB','data_ability');
 define('TBL_D_ATT','data_attribute');
 define('TBL_D_BIG','data_bigfield');
 define('TBL_D_I','data_item');
 define('TBL_D_S','data_skill');
 define('TBL_GM_ACC','gm_access');
 define('TBL_GM_ACT','gm_account');
 define('TBL_GM_LOG','gm_log');
 define('TBL_I','item');
 define('TBL_I_CAT','item_category');
 define('TBL_S','skill');
 define('TBL_T','type');
 define('TBL_T_AB','type_ability');
}

class Database extends PDO {
 private static $instance = null;
 private $transaction = false;

 /*


* Constructor

*/
 function __construct( $dsn, $login, $password, $options = array() )
 {
  if ( self::$instance === null ) {
   parent::__construct( $dsn, $login, $password, $options );
   $this->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
   self::$instance = $this;
  }
 }

 /*


* Getter

* @return (Database)

* @throw (Exception) if no database connexion is open

*/
 public static function getDatabase()
 {
  if ( self::$instance !== null )
   return self::$instance;
  else
   throw new Exception( 'No database connexion opened.' );
 }

 public function beginTransaction(){
  $this->transaction = true;
  parent::beginTransaction();
 }

 public function commit(){
  if( $this->transaction === true )
   parent::commit();
 }

 public function rollback(){
  if( $this->transaction === true )
   parent::rollback();
 }
}

?>