Not sure what happened. I have enabled Debug for some assistance if it helps.
http://www.opshots.net is the main site and the forums are http://www.opshots.net/forum/
I also cannot login to the admin for the whole blog either. I have not added any new plugins lately to WordPress or Simple Press. When trying to login using the forum login just get a blank screen with one error since debug is on:
Sorry I cannot add the error since I cannot figure out to do so