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 ('5d95fa9aaf244d6d8c1dd810e85e595f','0','18.116.239.195','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714718809','thread.php?goto=lastpost&threadid=953&sid=cd355cbf207938af147831cdf69c4d50','0','0','')
mysql error: Duplicate entry '5d95fa9aaf244d6d8c1dd810e85e595f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 08:46
Script: /thread.php?goto=lastpost&threadid=953&sid=cd355cbf207938af147831cdf69c4d50
Referer: