ok, this is gonna be off the top of my head, but try this.

Find your admin file, note it's member number, along with the date it was registered

Now create a new text file in your Members folder, named perms_index.cgi

In it, add this
Code
NUMBER|*|0|&|0|&|1|&|Administrator|&||&|DATE
Add NUMBER in the form of 00000001 (but with the correct number. must be eight (8) digits long).
Replace DATE with the date I had you remember. Enter it in the form of 05-14-2003

Next, create memberslist.cgi

Add into it the following line
Code
LOGINNAME|!!|NUMBER
Replace loginname with the login name of the administrator account we've been referencing. Also, replace NUMBER with the member number, still in 8 digits.

Upload this file, as well as members_test.cgi and perms_index.cgi into the Members directory. Now when you go through the upgrading, you'll make it throught to login. Login with the account we've been working with, and run though the upgrade script. Then rebuild forum stats, and the search index, as well as the subscription index.

Once you've done this, you should have a perfectly working board