SQL-DATABASE ERROR

Database error in WoltLab Burning Board (): cannot use database usr_web2_4
mysql error: Access denied for user 'web2'@'localhost' to database 'usr_web2_4'
mysql error number: 1044
mysql version: 5.0.51a-3ubuntu5.4
php version: 5.2.4-2ubuntu5.4
Date: 11.03.2010 @ 16:59
Script: /free-counter/index.php
Referer: