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 ('f61ee3c02257e28bb1eed9b5719a029b','0','216.73.216.110','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1755378701','thread.php?postid=23982','0','0','')
mysql error: Duplicate entry 'f61ee3c02257e28bb1eed9b5719a029b' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 16.08.2025 @ 23:11
Script: /thread.php?postid=23982
Referer: