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 ('c37bcc884ffa66fbcecb034ee9c75eb6','0','3.23.101.75','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1734872642','thread.php?goto=nextnewest&threadid=1013','0','0','')
mysql error: Duplicate entry 'c37bcc884ffa66fbcecb034ee9c75eb6' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.12.2024 @ 14:04
Script: /thread.php?goto=nextnewest&threadid=1013
Referer: http://gttempel.de/thread.php?goto=nextnewest&threadid=1013