SQL/DB Error -- [ on DREAMHOST

[seotalk]

Hello,

I'm new with Pligg, I'm trying to install the 9.1 ver on Dreamhost with PHP5.

I have everything ok until step 3, where i get the following error.

Creating database tables...

SQL/DB Error -- [

1. Error establishing a database connection!Are you sure you have the correct user/password?
2. Are you sure that you have typed the correct hostname?
3. Are you sure that the database server is running?
4. Have you run the Pligg Installer?

]

Can any body help me please?

[sfsagat]

Set $globals['mysql_persistent'] = false;

in libs/db.php