Access denied for user 'httpd'@'localhost' (using password: NO)

// Table Prefix
// This prefix will be added to all new tables created to avoid name conflict in the database. If you are unsure, just use the default "xoops".
define('XOOPS_DB_PREFIX', 'XXXXXX');

// Database Hostname
// Hostname of the database server. If you are unsure, "localhost" works in most cases.
define('XOOPS_DB_HOST', 'XXXXXX');

// Database Username
// Your database user account on the host
define('XOOPS_DB_USER', 'XXXXXX');

// Database Password
// Password for your database user account
define('XOOPS_DB_PASS', 'XXXXXX');