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 ('7d4000642732d5a35623f250dc23661f','0','3.139.238.76','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714893138','board.php?boardid=685&page=1&daysprune=1000&sortfield=views&sortorder=ASC&sid=4e5099685d20cec6b1b73211ef95801f','0','0','')
mysql error: Duplicate entry '7d4000642732d5a35623f250dc23661f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 05.05.2024 @ 09:12
Script: /board.php?boardid=685&page=1&daysprune=1000&sortfield=views&sortorder=ASC&sid=4e5099685d20cec6b1b73211ef95801f
Referer: