SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb2_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('81f938599ebf1d08ca90ea515ef81e57','0','18.191.26.53','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715720966','calendar.php?sid=024786e14c9b6e9c49d8c9ec4b1e62dd','0','0','')
mysql error: INSERT command denied to user 'o1571744'@'infong-eu267.clienthosting.eu' for table 'bb2_sessions'
mysql error number: 1142
mysql version: 5.7.42-log
php version: 7.4.33
Date: 14.05.2024 @ 23:09
Script: /Forum/calendar.php?sid=024786e14c9b6e9c49d8c9ec4b1e62dd
Referer: