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 ('1537dc406cf7b8169811b70bc4f26805','0','13.59.111.209','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1744855268','addreply.php?threadid=2512','0','0','')
mysql error: Duplicate entry '1537dc406cf7b8169811b70bc4f26805' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 17.04.2025 @ 04:01
Script: /addreply.php?threadid=2512
Referer: http://gttempel.de/addreply.php?threadid=2512