Warning: is_readable() [function.is-readable]: open_basedir restriction in effect. File(/var/cpanel/rvglobalsoft/rvsitebuilder) is not within the allowed path(s): (/home/proserve:/usr/lib/php:/usr/local/lib/php:/tmp) in /home/proserve/public_html/sitebuilder/tryoutlogin/www/rvsValidateConfigFile.php on line 29
/home/proserve/public_html/sitebuilder/tryoutlogin/www/rvsValidateConfigFile.php

You need to configure open_basedir for resellers who run the tryout module manually. In httpd.conf, locate reseller virtual host and add the bold text.

<VirtualHost ............>
.......
.......
<IfModule mod_php4.c>
php_admin_value open_basedir "/home/reseller/:/usr/lib/php:/usr/local/lib/php:/tmp:/var/cpanel/rvglobalsoft:/ioncube"
</IfModule>
<IfModule mod_php5.c>
php_admin_value open_basedir "/home/reseller/:/usr/lib/php:/usr/local/lib/php:/tmp:/var/cpanel/rvglobalsoft:/ioncube"
</IfModule>
........
</VirtualHost>

After fix the issue, click here to go to your tryout website.