[Solved] deploying codeigniter application

While deploying my application, I get this error

Code:

Error 403 Forbideden
you don't have acesss to /cardsManagerApp/ on this server

Here is my .htaccess file content

Code:

RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule .* index.php/$0 [L]

The server is under proxy configuration. I'm wondering if this is a problem.
I apply many suggestions but it doesn't work.
Please help. This error is killing my project.