Errors on database line 39

[Trusten]

Warning: Supplied argument is not a valid MySQL result resource in /home/sites/site18/web/admin/includes/functions/database.php on line 39

 

so far, i've entered my database info, etc. name of it, where to find it, user name, pwd, and that's all i keep getting its this error, both on admin and catalog

[Trusten]

please disregard this