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 ('7c263a05452888708cbb055d6b852c66','0','18.116.19.147','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716253337','thread.php?threadid=581&sid=c6cab0c7828a5bc5df20bad2057c0e29','0','0','')
mysql error: Duplicate entry '7c263a05452888708cbb055d6b852c66' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 21.05.2024 @ 03:02
Script: /thread.php?threadid=581&sid=c6cab0c7828a5bc5df20bad2057c0e29
Referer: