Edit your config file:/config/wtw_config.php
Confirm the following lines exist:define("wtw_dbserver", "YourServer");
define("wtw_dbname", "YourDatabase");
define("wtw_dbusername", "YourDbUser");
define("wtw_dbpassword", "YourDbPassword");
define("wtw_tableprefix", "YourTablePrefix");
define("wtw_contentpath", "YourContentPath");
define("wtw_contenturl", "YourContentUrl");