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 ('e8df8bfb8e5374e1dae6f0f96aaff42f','0','54.225.43.188','CCBot/2.0 (http://commoncrawl.org/faq/)','1495721300','hmportal.php','0','0','')
mysql error: INSERT command denied to user 'web775'@'localhost' for table 'bb1_sessions'
mysql error number: 1142
mysql version: 5.5.54-0ubuntu0.12.04.1
php version: 5.2.17
Date: 25.05.2017 @ 16:08
Script: /wbb2/hmportal.php
Referer: