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 ('26f341a9b8fa8bc00de9358684d318ff','0','18.191.5.239','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1713510240','misc.php?action=faq&sid=bc3eb792608700f4edfd0e067bfe28c9','0','0','')
mysql error: Duplicate entry '26f341a9b8fa8bc00de9358684d318ff' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 19.04.2024 @ 09:04
Script: /misc.php?action=faq&sid=bc3eb792608700f4edfd0e067bfe28c9
Referer: