Missing controller

You are seeing this error because controller NewsController could not be found.

Notice: If you want to customize this error message, create app/views/errors/missing_controller.thtml.

Fatal: Create the class below in file : app/controllers/news_controller.php

class NewsController extends AppController {
   var $name = 'News';

Warning: Unknown: write failed: Disk quota exceeded (122) in Unknown on line 0

Warning: Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/tmp) in Unknown on line 0