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 ('588e2b09d1861e61f8bc6903e403e83c','0','3.145.163.58','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714972022','board.php?boardid=473&page=1&daysprune=1000&sortfield=replycount&sortorder=ASC&sid=93378bf1e8158fe82565747421312c9d','0','0','')
mysql error: Duplicate entry '588e2b09d1861e61f8bc6903e403e83c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 07:07
Script: /board.php?boardid=473&page=1&daysprune=1000&sortfield=replycount&sortorder=ASC&sid=93378bf1e8158fe82565747421312c9d
Referer: