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 ('3df71be5293ca9cc25c2b7982a47d30d','0','18.119.166.141','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1734854426','thread.php?page=2&threadid=1691','0','0','')
mysql error: Duplicate entry '3df71be5293ca9cc25c2b7982a47d30d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.12.2024 @ 09:00
Script: /thread.php?page=2&threadid=1691
Referer: http://gttempel.de/thread.php?page=2&threadid=1691