Crie um arquivo.php na pasta: xammp/htdocs/sytem/pages com o nome de pagseguro.php   <?php global $config; require("config.php"); $ots = POT::getInstance(); $ots->connect(POT::DB_MYSQL, connection()); $SQL = $ots->getDBHandle(); $ide = new IDE; $ide->requireLogin(); if($ide->isLogged()){ $accountName = $_SESSION['name']; //$SQL->query('SELECT * FROM accounts WHERE name="'.$accountName.'"')->fetch(); ?> <form target="pagseguro" method="post" action="htt