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 ('cbe0411d048d9bb758e316c3dd8b8d50','0','216.73.216.86','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1749346428','addreply.php?postid=33215','0','0','')
mysql error: Duplicate entry 'cbe0411d048d9bb758e316c3dd8b8d50' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 08.06.2025 @ 03:33
Script: /addreply.php?postid=33215
Referer: