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 ('f120574e1a6bca91a4d2c3d0993990c7','0','18.216.34.146','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715402710','newthread.php?boardid=246&sid=9502d82cce1ee09bb7e319a37c3c7ccf','0','0','')
mysql error: Duplicate entry 'f120574e1a6bca91a4d2c3d0993990c7' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 11.05.2024 @ 06:45
Script: /newthread.php?boardid=246&sid=9502d82cce1ee09bb7e319a37c3c7ccf
Referer: http://wehrbauten.de/newthread.php?boardid=246&sid=9502d82cce1ee09bb7e319a37c3c7ccf