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 ('6aaabff1a33402d0de19aa3dda6985fc','0','216.73.216.8','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1751197346','attachment.php?attachmentid=7060','0','0','')
mysql error: Duplicate entry '6aaabff1a33402d0de19aa3dda6985fc' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 29.06.2025 @ 13:42
Script: /attachment.php?attachmentid=7060
Referer: