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 ('dedbb775b244ee4a846279b961f807ff','0','3.137.162.110','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714763544','board.php?boardid=508&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=8717a49ab064e1e2fdadeb5c39c0aa4c','0','0','')
mysql error: Duplicate entry 'dedbb775b244ee4a846279b961f807ff' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 21:12
Script: /board.php?boardid=508&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=8717a49ab064e1e2fdadeb5c39c0aa4c
Referer: