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 ('95d09492cb8d9f2d00c3a412975e6608','0','18.191.239.123','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714773189','board.php?boardid=81&sid=9df225dee5ff59657149ef1e00435b33','0','0','')
mysql error: Duplicate entry '95d09492cb8d9f2d00c3a412975e6608' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 23:53
Script: /board.php?boardid=81&sid=9df225dee5ff59657149ef1e00435b33
Referer: http://wehrbauten.de/board.php?boardid=81&sid=9df225dee5ff59657149ef1e00435b33