The database server could be connected to (which means your username and password is okay) but the greenl9_wp327
database could not be selected.
greenl9_wp327
have permission to use the greenl9_wp327
database?username_greenl9_wp327
. Could that be the problem?If you do not 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.