SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('3853fcc4d7b46a58d8da3f0624bdc4cd','0','18.218.1.38','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1734876534','thread.php?goto=nextoldest&threadid=2097','0','0','')
mysql error: Duplicate entry '3853fcc4d7b46a58d8da3f0624bdc4cd' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.12.2024 @ 15:08
Script: /thread.php?goto=nextoldest&threadid=2097
Referer: http://gttempel.de/thread.php?goto=nextoldest&threadid=2097