SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('ae9b7c9a5da9f304dbf0fe0fd6f64032','0','216.73.216.167','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1759955975','thread.php?goto=lastpost&threadid=31609','0','0','')
mysql error: Duplicate entry 'ae9b7c9a5da9f304dbf0fe0fd6f64032' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.6.15-MariaDB-log
php version: 7.4.33
Date: 08.10.2025 @ 22:39
Script: /thread.php?goto=lastpost&threadid=31609
Referer: http://www.hacks4wbb.de/thread.php?goto=firstnew_thread&threadid=31609