No write access to APPPATH/config/crypt.php.
The FuelPHP crypto functions require a set of unique and truelly random crypto keys. These keys are automatically generated and written to the crypto configuration file the first time the application accesses a crypto function.
Please copy the following code into APPPATH/config/crypt.php manually:
<?php
/**
* Part of the Fuel framework.
*
* @package Fuel
* @version 1.8
* @author Fuel Development Team
* @license MIT License
* @copyright 2010 - 2016 Fuel Development Team
* @link http://fuelphp.com
*/
return array (
'crypto_key' => '',
'crypto_iv' => '',
'crypto_hmac' => '',
);