SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('8b60efe012d48a44433d5374a97274bc','0','18.116.238.69','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1717324312','attachment.php?attachmentid=16184&sid=0fe24ef10b1b19d9bff2d0427aa650ce','0','0','')
mysql error: Duplicate entry '8b60efe012d48a44433d5374a97274bc' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 02.06.2024 @ 12:31
Script: /attachment.php?attachmentid=16184&sid=0fe24ef10b1b19d9bff2d0427aa650ce
Referer: