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 ('2940576e9a7ca01ac99aa74b6778ed0f','0','3.145.131.238','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714647958','thread.php?goto=lastpost&threadid=2314&sid=31226f8b0852e0d8c9b3f814dd45346d','0','0','')
mysql error: Duplicate entry '2940576e9a7ca01ac99aa74b6778ed0f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 02.05.2024 @ 13:05
Script: /thread.php?goto=lastpost&threadid=2314&sid=31226f8b0852e0d8c9b3f814dd45346d
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=2314&sid=31226f8b0852e0d8c9b3f814dd45346d