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 ('8c17291d3fb8625f228b966bc31dbfab','0','18.223.170.21','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716255604','board.php?boardid=262&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=66d385c8434ecc6d462ea53738137730&page=24','0','0','')
mysql error: Duplicate entry '8c17291d3fb8625f228b966bc31dbfab' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.6.15-MariaDB-cll-lve-log
php version: 5.6.40
Date: 21.05.2024 @ 01:40
Script: /board.php?boardid=262&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=66d385c8434ecc6d462ea53738137730&page=24
Referer: http://www.biker-community.com/board.php?boardid=262&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=66d385c8434ecc6d462ea53738137730&page=24