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 ('7ff45b2a2167b197e1bcdd0863c20413','0','3.12.166.76','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715786442','thread.php?goto=lastpost&threadid=612&sid=33f3446386b7ec7a6e015c953275511e','0','0','')
mysql error: Duplicate entry '7ff45b2a2167b197e1bcdd0863c20413' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 17:20
Script: /thread.php?goto=lastpost&threadid=612&sid=33f3446386b7ec7a6e015c953275511e
Referer: