WE need to be registered I guess to view profiles at your site.
But I have seen this happen all to often today with all the spammers.
They get deleted and the cache still shows some posts for them
If this is a valid member I would start researching in the ubb control panel.
1.Control Panel » View Admin Logs
to see if someone had edited or deleted the member.
2.Control Panel » Member Management
just to take a peek if anything looks out of wack.
