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 ('fe862bc82586599606e6bd61febf6230','0','18.226.222.12','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714918824','board.php?boardid=290&page=1&daysprune=1000&sortfield=replycount&sortorder=ASC&sid=616287f1a8724b4c8f62476ac34d52a6','0','0','')
mysql error: Duplicate entry 'fe862bc82586599606e6bd61febf6230' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 05.05.2024 @ 16:20
Script: /board.php?boardid=290&page=1&daysprune=1000&sortfield=replycount&sortorder=ASC&sid=616287f1a8724b4c8f62476ac34d52a6
Referer: