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 ('fc3012b041c1419534b6a882dab85de5','0','3.19.255.255','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1743833810','thread.php?postid=23422','0','0','')
mysql error: Duplicate entry 'fc3012b041c1419534b6a882dab85de5' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 05.04.2025 @ 08:16
Script: /thread.php?postid=23422
Referer: http://gttempel.de/thread.php?postid=23422