SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl 2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('3101ce5572a22cafda4d953ebf8cbd94','0','3.17.154.171','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1713587141','thread.php?threadid=39724&goto=lastpost&sid=8677dca6372e0f21014dc2258aff602c','0','0','')
mysql error: Duplicate entry '3101ce5572a22cafda4d953ebf8cbd94' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 20.04.2024 @ 06:25
Script: /thread.php?threadid=39724&goto=lastpost&sid=8677dca6372e0f21014dc2258aff602c
Referer: http://your-wbb.de/thread.php?threadid=39724&goto=lastpost&sid=8677dca6372e0f21014dc2258aff602c