If E-Blah can run on local web server – then I have Settings.pl problem

We will coming weekend decide about a Forum in a ninor but national organization. The meeting will be on a small island without Internet access why I thought it could be an idea for me to start using Apache including in Max OS. I have tested this on both MacOS X 10.2 and 10.4 and used eblah10-2-5 - but I can't get it running!

Maybe I stared wrong - As it is on my own computer I couldn't upload it why I just took map
"Forum" to "CGI-Executables" (the map where all cgi stores)
"blahdocs" to "Documents" (the "root" where the "index-file is stored)
All of this is stored in "WebServer"

Then I chmod the directories and files according to the install documentation
before I went to http://my-name-computer.local/cgi-bin/forum/Setup.pl in my web browser

I got the Welcome page!
And the next - Administrator Information
Where the suggestion for Full URL (DIR) Path to Blah.pl was my-name-computer.local

But on the third page appeared "Fatal Error"
There was an error installing or upgrading your forum ...
Cannot write to /Prefs, please check your Settings.pl file and try again.

I have checked permission (sometimes changes according to some suggestions in this forum), replaced all files with new, and restated the computer - everything a couple of times but noting gets better

I tried to used "perlinfo.pl" to find out if the problem is the "Full URL (DIR) Path to Blah.pl".
To be honest - I don't understand much of the information I got on http://my-name-computer.local//cgi-bin/perlinfo.pl

I can neither understand what's relevant - anyhow here is something from the page:

This server is running perl version: 5.006.
CGI Version: 2.56
The absolute path to this script is: /Library/WebServer/CGI-Executables, on a Unknown based platform.
DOCUMENT_ROOT: /Library/WebServer/Documents.
...
Your server meets the requirements for a DBM database; but you will be unable to install an SQL version ...
...
SERVER_SIGNATURE:     Apache/1.3.33 Server at my-name-computer.local Port 80
..
HTTP_HOST:     my-name-computer.local
..
SCRIPT_NAME:            /cgi-bin/perlinfo.pl
SERVER_NAME:             my-name-computer.local
DOCUMENT_ROOT:     /Library/WebServer/Documents
EQUEST_URI:              /cgi-bin/perlinfo.pl
SCRIPT_FILENAME:     /Library/WebServer/CGI-Executables/perlinfo.pl
PATH:                       /bin:/sbin:/usr/bin:/usr/sbin:/usr/libexec:/System/Library/CoreServices

Is it possible to fix it or should I give up?

I'm very interested to have it running as it could be a god opportunity to let some of our older women "play" with this forum. Their resistance to computers/Internet will hopefully be less when they know that this is only a "play version" and it doesn't matter if they destroy it (yes they think they can do it) and it’s not on-line or public.

With sunny greetings from Sweden
KArin