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 ('1a8519ed5a0f0e33d903e7087dc3d310','0','3.141.42.23','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745250323','attachment.php?attachmentid=6569','0','0','')
mysql error: Duplicate entry '1a8519ed5a0f0e33d903e7087dc3d310' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 21.04.2025 @ 17:45
Script: /attachment.php?attachmentid=6569
Referer: http://gttempel.de/attachment.php?attachmentid=6569