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 ('2fd01b3cba7133f32b4e326de4109246','0','18.118.140.19','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745248795','attachment.php?attachmentid=123','0','0','')
mysql error: Duplicate entry '2fd01b3cba7133f32b4e326de4109246' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 21.04.2025 @ 17:19
Script: /attachment.php?attachmentid=123
Referer: http://gttempel.de/attachment.php?attachmentid=123