ErrorException [ Fatal Error ]: Cannot redeclare class Kohana_Core

APPPATH/kohana/system/classes/Kohana/Route.php [ 16 ]

11  *
12  *     // This route will only match when <id> is a digit
13  *     Route::set('user', 'user/<action>/<id>', array('id' => '\d+'));
14  *
15  *     // This route will match when <path> is anything
16  *     Route::set('file', '<path>', array('path' => '.*'));
17  *
18  * It is also possible to create optional segments by using parentheses in
19  * the URI definition:
20  *
21  *     // This is the standard default route, and no keys are required
  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