ErrorException [ Fatal Error ]: Cannot redeclare class Kohana_Config_Source

APPPATH/common/classes/oc/core.php [ 14 ]

 9  * @license    GPL v3
10  */
11 
12 class OC_Core {
13 
14 	/**
15 	 * 
16 	 * OC version
17 	 * @var string
18 	 */
19 	const VERSION = '1.0.0';

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