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 ('5feb2b8865961a0bec19f1564dd9514f','0','18.188.13.212','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1743838430','attachment.php?attachmentid=5153','0','0','')
mysql error: Duplicate entry '5feb2b8865961a0bec19f1564dd9514f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 05.04.2025 @ 09:33
Script: /attachment.php?attachmentid=5153
Referer: http://gttempel.de/attachment.php?attachmentid=5153