koseven/system/classes/Kohana/Session/Exception.php

<?php
/**
 * @package    Kohana
 * @category   Exceptions
 * @author     Kohana Team
 * @copyright  (c) Kohana Team
 * @license    https://koseven.ga/LICENSE.md
 */
class Kohana_Session_Exception extends Kohana_Exception {

	const SESSION_CORRUPT = 1;

}