My problem was in chapter 2 project which is: in main.in.php
//Redirect if this page was successed directly:
// if (!defined("BASE_URL")) {
// // Need the BASE_URL, defined in the config file:
// require('./includes/config.inc.php');
// // Redirect to the index page:
// $url = BASE_URL . 'index.php';
// header ("Location: $url");
// exit;
// } // End of defined() IF I had to comment these lines off cause the error was this: Fatal error: Cannot redeclare my_error_handler() (previously declared So i fixed it thanks a lot its amazing book im learning.