As some of you no doubt noticed, there was a KivaFriends.org outage for a number of hours today. There were problems on the server and the site needed to be rebuilt from recent backups; it is now back up and running (or you wouldn't be able to see this post!
However, it appears that Kivapedia may have been irretrievably damaged somehow. The database is currently broken (as you will see if you try to follow any links to it) and had become huge, leading to suspicion that spammers may have been inserting junk into it.
Joe has asked the hosting company to investigate and see if it can be saved. I'll report back after we have more news...