Edit File: security.php
<?php if (!defined('BASEPATH')) exit('No direct script access allowed'); /* * LimeSurvey * Copyright (C) 2007-2019 The LimeSurvey Project Team / Carsten Schmitz * All rights reserved. * License: GNU/GPL License v3 or later, see LICENSE.php * LimeSurvey is free software. This version may have been modified pursuant * to the GNU General Public License, and as distributed it includes or * is derivative of works licensed under the GNU General Public License or * other free or open source software licenses. * See COPYRIGHT.php for copyright notices and details. */ /* WARNING!!! ONCE SET, ENCRYPTION KEYS SHOULD NEVER BE CHANGED, OTHERWISE ALL ENCRYPTED DATA COULD BE LOST !!! */ $config = array(); $config['encryptionnonce'] = '[[encryptionnonce]]'; $config['encryptionsecretboxkey'] = '[[encryptionsecretboxkey]]'; return $config;