SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.4): Invalid SQL: INSERT INTO bb2_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('43bba43f3d807aab85973c4d9429578b','0','38.107.179.227','CCBot/1.0 (+http://www.commoncrawl.org/bot.html)','1328418233','index.php','0','1','')
mysql error: Access denied for user: 'dbo96940486@%' to database 'db96940486'
mysql error number: 1044
mysql version: 4.0.27-max-log
php version: 4.4.9
Date: 05.02.2012 @ 06:03
Script: /board/
Referer: