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 ('4134e4d07df1c86b3d799fc0eabb44bd','0','3.144.252.201','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714950176','board.php?boardid=26&page=1&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=791a241078dd348ab654ccc2b57ca3f4','0','0','')
mysql error: Duplicate entry '4134e4d07df1c86b3d799fc0eabb44bd' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 01:02
Script: /board.php?boardid=26&page=1&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=791a241078dd348ab654ccc2b57ca3f4
Referer: http://wehrbauten.de/board.php?boardid=26&page=1&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=791a241078dd348ab654ccc2b57ca3f4