SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.4): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('081fc7e6ce02ec8269b7f6b3e568a542','0','50.17.88.74','CCBot/2.0 (http://commoncrawl.org/faq/)','1406689018','thread.php?threadid=108','0','0','')
mysql error: INSERT command denied to user 'web775'@'localhost' for table 'bb1_sessions'
mysql error number: 1142
mysql version: 5.1.73-0ubuntu0.10.04.1
php version: 5.2.17
Date: 30.07.2014 @ 04:56
Script: /wbb2/thread.php?threadid=108
Referer: