为什么“找不到课”?

I have a controller which calls a static method in a class, I get this error:

[2015-03-02 08:03:13] production.ERROR: exception 'Symfony\Component\Debug\Exception\FatalErrorException' with message 'Class 'Main' not found' in D:\xampp\htdocs\motahida\app\controllers\DownloadWidgetController.php:31
Stack trace:
#0 [internal function]: Illuminate\Exception\Handler->handleShutdown()
#1 {main} [] []

the class Main, is at:

D:\xampp\htdocs\motahida\app\controllers\haxe\bin\lib\Main.class.php

I call it like this:

Main::unzip("amjadTest.zip", "file out put", "");

from DownloadWidgetController class which is in:

D:\xampp\htdocs\motahida\app\controllers\DownloadWidgetController.php

PhpStorm is not complaining about Main class, and it seems fine.

Any ideas?