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 ('2f145da3f0c4ace4a5781ee986a268ec','0','52.14.168.56','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715082224','board.php?boardid=383&page=1&daysprune=1000&sortfield=vote&sortorder=ASC&sid=8525a444cd14e692fdfdea5bc69ca548','0','0','')
mysql error: Duplicate entry '2f145da3f0c4ace4a5781ee986a268ec' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 07.05.2024 @ 13:43
Script: /board.php?boardid=383&page=1&daysprune=1000&sortfield=vote&sortorder=ASC&sid=8525a444cd14e692fdfdea5bc69ca548
Referer: http://wehrbauten.de/board.php?boardid=383&page=1&daysprune=1000&sortfield=vote&sortorder=ASC&sid=8525a444cd14e692fdfdea5bc69ca548