here is where the error occured:
http://www.cud40.com/zenphoto

I'll copy the messages on that site here:
Warning: open_basedir restriction in effect. File is in wrong directory in /home/httpd/vhosts/cud40.com/httpdocs/zenphoto/zen/template-functions.php on line 5

Warning: open_basedir restriction in effect. File is in wrong directory in /home/httpd/vhosts/cud40.com/httpdocs/zenphoto/zen/classes.php on line 7

Warning: open_basedir restriction in effect. File is in wrong directory in /home/httpd/vhosts/cud40.com/httpdocs/zenphoto/zen/auth_zp.php on line 3

Warning: open_basedir restriction in effect. File is in wrong directory in /home/httpd/vhosts/cud40.com/httpdocs/zenphoto/zen/functions-db.php on line 5

Warning: open_basedir restriction in effect. File is in wrong directory in /home/httpd/vhosts/cud40.com/httpdocs/zenphoto/zen/classes.php on line 8

Warning: open_basedir restriction in effect. File is in wrong directory in /home/httpd/vhosts/cud40.com/httpdocs/zenphoto/zen/classes.php on line 9

Warning: open_basedir restriction in effect. File is in wrong directory in /home/httpd/vhosts/cud40.com/httpdocs/zenphoto/zen/template-functions.php on line 190

Warning: Cannot add header information - headers already sent by (output started at /home/httpd/vhosts/cud40.com/httpdocs/zenphoto/zen/template-functions.php:5) in /home/httpd/vhosts/cud40.com/httpdocs/zenphoto/index.php on line 9

But the admin page works fine.

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I also installed Zenpress. The icon was found in the posting page, but when I clicked it, the popup was blank. Is it because I haven't uploaded any images yet, or is it because of the error?

reuploaded and changed the url to http://cud40.com/zen
but the same problem still happened..

http://zen.dropg.ca/

i've also got the problem...