Error
Deprecated: __autoload() is deprecated, use spl_autoload_register()

Comment
application\config\config.php

Add Code
application\config\routes.php
function my_autoloader($class) {
if (strpos($class, 'CI_') !== 0) {
if (file_exists($file = APPPATH . 'core/' . $class . 'php')) {
include $file;
}
}
}
spl_autoload_register('my_autoloader');
