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 ('9ea9ef4d87a52c09ac68d91bd0a9a390','0','3.138.114.94','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713898637','thread.php?threadid=2119&goto=lastpost&sid=04df131d61610da779618b0c1fc5aa6e','0','0','')
mysql error: Duplicate entry '9ea9ef4d87a52c09ac68d91bd0a9a390' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 23.04.2024 @ 20:57
Script: /thread.php?threadid=2119&goto=lastpost&sid=04df131d61610da779618b0c1fc5aa6e
Referer: http://wehrbauten.de/thread.php?threadid=2119&goto=lastpost&sid=04df131d61610da779618b0c1fc5aa6e