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 ('5b86304cceec8b14261ea97e8af899d3','0','18.217.109.151','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714380484','thread.php?threadid=4770&sid=92bb45dd5b7261e3fe7d8506670a6157','0','0','')
mysql error: Duplicate entry '5b86304cceec8b14261ea97e8af899d3' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 29.04.2024 @ 10:48
Script: /thread.php?threadid=4770&sid=92bb45dd5b7261e3fe7d8506670a6157
Referer: