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 ('1bf8540d71a5ed165e8c8ae5f36610c2','0','3.138.105.89','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716356426','misc.php?action=faq&sid=713a7ba27df6e570cc000a884b609952','0','0','')
mysql error: Duplicate entry '1bf8540d71a5ed165e8c8ae5f36610c2' for key 1
mysql error number: 1062
mysql version: 4.1.22-standard
php version: 5.3.29-1+hw8
Date: 22.05.2024 @ 01:40
Script: /wbb2/misc.php?action=faq&sid=713a7ba27df6e570cc000a884b609952
Referer: