“Proper Database”?

Hi all,
My wordpress has been running fine for a couple of weeks with no problems, but now– I get this statement when I log onto my site, http://www.acharya03.org/wordpress. Can anyone help me figure it out?
Thanks!
Govind…
We're having a little trouble selecting the proper database for WordPress.
* Are you sure it exists?
* Your database name is currently specified as acharya2_wordpress. Is this correct?
* On some systems the name of your database is prefixed with your username, so it would be like username_wordpress. Could that be the problem?
WordPress Support Forums