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 ('7ef731e445faff29aff63616d88abc16','0','216.73.216.110','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1752962072','attachment.php?attachmentid=6052','0','0','')
mysql error: Duplicate entry '7ef731e445faff29aff63616d88abc16' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 19.07.2025 @ 23:54
Script: /attachment.php?attachmentid=6052
Referer: