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 ('01541b621b344a9a0ee554acf12ddb3f','0','18.224.56.11','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745296276','attachment.php?attachmentid=4374','0','0','')
mysql error: Duplicate entry '01541b621b344a9a0ee554acf12ddb3f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.04.2025 @ 06:31
Script: /attachment.php?attachmentid=4374
Referer: http://gttempel.de/attachment.php?attachmentid=4374