SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('dd9e157a05cfc5d8d0def1cc2247a250','0','3.139.81.210','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715524351','misc.php?action=faq&sid=2184f614fc5fd0fcfcf0309bfc141d73','0','0','')
mysql error: Duplicate entry 'dd9e157a05cfc5d8d0def1cc2247a250' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 16:32
Script: /misc.php?action=faq&sid=2184f614fc5fd0fcfcf0309bfc141d73
Referer: