سلام وقتی هندل پی اچ پی رو میذارم روی fcgi


Forbidden


You don't have permission to access /my/index.php on this server.


Additionally, a 403 Forbidden error was encountered while trying to use an ErrorDocument to handle the request.

چیکار کنم ؟

- - - Updated - - -

روی suphp هم که باشه ارور


The domain.com page isn’t working


domain.com is currently unable to handle this request.
HTTP ERROR 500


برای رفع هر دو مشکل چه کنم وچرا به وجود میاد ؟