Missing Controller

Error: 2021Controller could not be found.

Error: Create the class 2021Controller below in file: dev/controllers/2021_controller.php

<?php
class 2021Controller extends AppController {

	var $name = '2021';
}
?>

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

Debug timer info
MessageStart Time (ms)End Time (ms)Duration (ms)
Core Processing (Derived)0158158
Component initialization and startup1581790
Render Controller Action1641790
Debug timer info
MessageStart Time (ms)End Time (ms)Duration (ms)
Core Processing (Derived)0-1627185349233-1627185349233
Component initialization and startup1581790
Render Controller Action1641790