Error in my Gesior Acc

<?php
if(!defined('INITIALIZED'))
    exit;

class Database_MySQL extends Database
{
    public function __construct()
    {
        $this->setDatabaseDriver(self::DB_MYSQL);
    }

    public function connect()
    {
        try
        {
            parent::__construct('mysql:host=' . $this->getDatabaseHost() . ';port=' . $this->getDatabasePort() . ';dbname=' ...