I'm getting "Error establishing a database connection" when I try to access my blog. I have no idea what's wrong. I was just editing a page, but when I went to save it, the error page popped up instead.
Everything was working fine before this, and I don't think it's anything to do with my host, since I have another blog on another domain with the same host. I'm using WP 2.0 on this blog and WP 1.5.2 on the other. Could this be a 2.0 problem? Please help. =(