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 ('3d4ca3c497cfd4543d3ed0eba7612a2a','0','3.149.241.32','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1744862958','thread.php?page=2&threadid=2121','0','0','')
mysql error: Duplicate entry '3d4ca3c497cfd4543d3ed0eba7612a2a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 17.04.2025 @ 06:09
Script: /thread.php?page=2&threadid=2121
Referer: http://gttempel.de/thread.php?page=2&threadid=2121