Several sent me emails about this problem:
Re: Blank Page?
Hello DISCHINO.
Thank you for your message. During off peak hours (between 5PM EST and 6AM EST), some discussion forums did not give access to members, admin's and web users. Since about 7:30 this morning, the problem has been resolved. When we hear back from our developers with specific causes to the problem, we will update our members. Check out the news flash or visit our blog for more information.
Kind Regards,
AGORACOM