Unable to navigate site

[EienOfDark]

I made an account so that I could contribute some lyrics, however since then anytime I try to access any part of the site at all, it gives me

"Username or password was invalid. Click here or go back to try again."

It redirects me to this no matter what I do.

Can this be fixed?

[Kaitou Ace]

Please make sure your browser can accept cookies. Also are there any symbols in your password? O_o;