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 ('9c48aa1275dc74f5ee5571c08b7e08f2','0','18.216.123.120','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714536165','report.php?postid=3581&sid=ed246dc7ab2dd00395c40d198a899eaa','0','0','')
mysql error: Duplicate entry '9c48aa1275dc74f5ee5571c08b7e08f2' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.33-0ubuntu0.16.04.1
php version: 5.6.40
Date: 01.05.2024 @ 06:02
Script: /report.php?postid=3581&sid=ed246dc7ab2dd00395c40d198a899eaa
Referer: