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 ('6a17cc5381874c8baf22cebcee16ad48','0','13.58.6.202','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716339554','thread.php?goto=lastpost&threadid=2468&sid=e574b4177cbe8b546724d82a8b195fb0','0','0','')
mysql error: Duplicate entry '6a17cc5381874c8baf22cebcee16ad48' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 22.05.2024 @ 02:59
Script: /thread.php?goto=lastpost&threadid=2468&sid=e574b4177cbe8b546724d82a8b195fb0
Referer: