PHP Exception

Uncaught exception 'Error' with message 'Call to a member function setPageBody() on null'
File: /sites/prestige-ic.com.ua/application/controllers/NewsController.php, line 156
Trace

0. /sites/prestige-ic.com.ua/Framework2.0/libraries/Controller.php(55): NewsController->indexAction()
1. /sites/prestige-ic.com.ua/index.php(238): Controller::process()
2. {main}