So nobody including the administrator can post anything on my forum.

I have tried and tried to re-upload some files to the forum such as my default.aspx and errors.aspx and forum.css but nothing seems to fix it.

I am at a complete loss. My forum has gained considerable popularity locally and now it doesn't work at all. Nobody can repkly to anything nor start new topics.

here is the error I get while trying to post, reply or quote someone. I cant even start new topics.

Please help. This is highly urgent, thanks!