SQL-DATABASE ERROR

Database error in WoltLab Burning Board: Invalid SQL: SELECT userid,username FROM bb1_users WHERE activation='1' ORDER by regdate DESC LIMIT 1
mysql error: Table 'db309297406.bb1_users' doesn't exist
mysql error number: 1146
Date: 11.03.2010 @ 02:39
Script: /wbblite/portal.php
Referer: