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 ('20d24ecc9e421825632dace259b41937','0','18.220.126.5','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715246246','register.php?sid=9e51a7d7b0a9b99f9e3de084953843d7','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: 09.05.2024 @ 11:17
Script: /Forum/register.php?sid=9e51a7d7b0a9b99f9e3de084953843d7
Referer: