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 ('96c7c91ba6dde88ec3820adb73897fbf','0','52.14.130.13','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714459538','memberslist.php?sid=79f46cb70375801471573158d906fc9d','0','0','')
mysql error: Duplicate entry '96c7c91ba6dde88ec3820adb73897fbf' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 30.04.2024 @ 08:45
Script: /memberslist.php?sid=79f46cb70375801471573158d906fc9d
Referer: