We were able to connect to the database server (which means your username and password is okay) but not able to select the guriltd_wp463 database.
guriltd_wp463 have permission to use the guriltd_wp463 database?username_guriltd_wp463. Could that be the problem?If you don’t know how to set up a database you should contact your host. If all else fails you may find help at the WordPress Support Forums.