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 ('e69535c9fe132908ee432309e0abfdc3','0','18.117.188.64','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715533989','memberslist.php?sid=2d4bc7bd5afc586a7125ec9c91a84c1d','0','0','')
mysql error: Duplicate entry 'e69535c9fe132908ee432309e0abfdc3' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 19:13
Script: /memberslist.php?sid=2d4bc7bd5afc586a7125ec9c91a84c1d
Referer: