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 ('5f1960947b1db1fc84ab0c715003d146','0','18.220.126.5','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714945044','calendar.php?sid=0226a97f5798055b6ae6a6ccd78eacaa','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: 05.05.2024 @ 23:37
Script: /Forum/calendar.php?sid=0226a97f5798055b6ae6a6ccd78eacaa
Referer: