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 ('39090e3a95094c97ff9584362e8d5020','0','18.118.193.232','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714982942','board.php?boardid=266&page=1&daysprune=1000&sortfield=topic&sortorder=ASC&sid=5e4c05c19fe322480eafecfaee429cf3','0','0','')
mysql error: Duplicate entry '39090e3a95094c97ff9584362e8d5020' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 10:09
Script: /board.php?boardid=266&page=1&daysprune=1000&sortfield=topic&sortorder=ASC&sid=5e4c05c19fe322480eafecfaee429cf3
Referer: