Internal Server Error Using Free for all Links???!!!

Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, root@dar1.mellowfx.com and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log.

What the hell am i doing wrong.
I uploaded the links.pl file to my cgi-bin, i chmoded it to 755.

This is how my links.pl variables look:

# url of script
$cgiurl = "http://216.127.80.112/~dopee.com/cgi-bin/links/links.pl";

# base url to all link files without trailing "/"
$link_url = "http://216.127.80.112/~dopee.com";

# base directory to all link files from the server root without trailing "/"
$base_dir = ""/home/virtual/dopee.com/var/www/html";

# default index page of your choice
$index_url = "http://216.127.80.112/~dopee.com/Linkz.htm";

# counter log file
$id_count = "links_id.txt";

# administration password
$admin_pass = "hoboss";

# time to redirect to link page after entry (sec)
$redirect_sec = "5";

# use file locking; ($lock=0 for Win32)
$lock = 1;

# time offset - add one hour = +1 ; subtract one hour = -1
$fix_time = 0;

# image
$imageurl = "http://216.127.80.112/~dopee.com/Arrow.bmp";

PLEASE HELP ME

any solutions? i have the same problem