I can still log into my cpanel and I know that the login credentials are correct in config.php, but I can't log into phpMyAdmin, and the error above (username changed - in the error, it's my own username) when I try to visit the forum.General Error
SQL ERROR [ mysqli ]
Access denied for user 'username'@'localhost' (using password: YES) 
An sql error occurred while fetching this page. Please contact an administrator if this problem persists.
Forum is at http://celticguitartalk.com/phpBB