Well, Caliadracgon (the maintainer of the site), has sent a message to her yahoo group. I reproduce it here, for those that may be interested in it:
Please let everyone know that the main part of Beyond Canon is down right now while I work on the upgrade. it should be done tomorrow.
They can still access the fiction section of the archive by going to:
they should be able to log in and interact with that area of the script normally. There will be no access to register or retrieve lost passwords however.
Mods, I know this is not a strictly spander-related post, so if this is not allowed, feel free to delete it. I just thought it might be of help.