ErrorException [ Fatal Error ]: Class 'OC_Core' not found

APPPATH/classes/core.php [ 12 ]

 7  * @author     Chema <chema@open-classifieds.com>
 8  * @copyright  (c) 2009-2013 Open Classifieds Team
 9  * @license    GPL v3
10  */
11 
12 class Core extends OC_Core{
13 
14 	/**
15 	 * 
16 	 * OC version
17 	 * @var string
  1. {
    Fatal error: Call to undefined function __() in /var/www/19218-saniyaw/data/www/board.flexi-soft.in.ua/oc/kohana/system/views/kohana/error.php on line 64