Fatal error: Uncaught Error: Call to a member function is_ajax() on null in /mediakrytyk/application/classes/Kohana/Exception.php:13 Stack trace: #0 /kohana/system/classes/Kohana/Kohana/Exception.php(86): Kohana_Exception::_handler(Object(ErrorException)) #1 /kohana/system/classes/Kohana/Core.php(1031): Kohana_Kohana_Exception::handler(Object(ErrorException)) #2 [internal function]: Kohana_Core::shutdown_handler() #3 {main} thrown in /mediakrytyk/application/classes/Kohana/Exception.php on line 13