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 ('ae0c9378f4842362f96f4b71f4e482e7','0','18.119.107.96','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714684048','search.php?sid=e839e9bf515ee4636998ea29a5b965dd','0','0','')
mysql error: Duplicate entry 'ae0c9378f4842362f96f4b71f4e482e7' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 02.05.2024 @ 23:07
Script: /search.php?sid=e839e9bf515ee4636998ea29a5b965dd
Referer: