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 ('90ddf16f0d897bc9b532b62264c76e4b','0','18.222.146.86','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745321320','attachment.php?attachmentid=5966','0','0','')
mysql error: Duplicate entry '90ddf16f0d897bc9b532b62264c76e4b' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.04.2025 @ 13:28
Script: /attachment.php?attachmentid=5966
Referer: http://gttempel.de/attachment.php?attachmentid=5966