iassign_atto/lang/en/index.php

<?php

header('HTTP/1.0 403 Forbidden');

require_once('../../../../../../../config.php');

$PAGE->set_url($_SERVER['PHP_SELF']);
$PAGE->set_pagelayout('admin');
$PAGE->set_context(context_system::instance());
echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('error'));
echo '<center>' . get_string('nopermissiontoshow', 'core_error') . '</center>';
?>