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 ('abfc19760117ede6b26d9a7e6c67435e','0','18.117.93.231','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745232191','attachment.php?attachmentid=7968','0','0','')
mysql error: Duplicate entry 'abfc19760117ede6b26d9a7e6c67435e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 21.04.2025 @ 12:43
Script: /attachment.php?attachmentid=7968
Referer: http://gttempel.de/attachment.php?attachmentid=7968