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 ('7ffaaf31a70750c55585057cf80d25cf','0','3.138.102.114','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715761595','search.php?sid=793345925daddfcccd8ef883c697a99b','0','0','')
mysql error: Duplicate entry '7ffaaf31a70750c55585057cf80d25cf' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 10:26
Script: /search.php?sid=793345925daddfcccd8ef883c697a99b
Referer: