ieps on "[Theme: Custom Community] RSS dont work"

RSS feed's not working, can any body help me.
please help. I search in google, but cant find any thing help me.
see site

I don't know (.htaccess) relevant to my problem, but this is my htaccess:

# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>
php_value memory_limit 128M
# END WordPres

thank you.