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 ('9dff023bdb47bc33e046af931263cbdc','0','216.73.216.110','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1753022106','attachment.php?attachmentid=6125','0','0','')
mysql error: Duplicate entry '9dff023bdb47bc33e046af931263cbdc' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 20.07.2025 @ 16:35
Script: /attachment.php?attachmentid=6125
Referer: