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 ('5fac6c2d9aa77d21e4abd5a3ec48e352','0','18.217.220.114','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714963883','thread.php?goto=lastpost&threadid=566&sid=2ee75b6544cf2b5289eaa331fc12dc94','0','0','')
mysql error: Duplicate entry '5fac6c2d9aa77d21e4abd5a3ec48e352' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 04:51
Script: /thread.php?goto=lastpost&threadid=566&sid=2ee75b6544cf2b5289eaa331fc12dc94
Referer: