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 ('9e0487b4e19e34d7e1cfe47104ad4996','0','18.227.228.95','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714869270','thread.php?threadid=1343&sid=f8d2245f03e7377162a5e9bcf1dd2b94','0','0','')
mysql error: Duplicate entry '9e0487b4e19e34d7e1cfe47104ad4996' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 05.05.2024 @ 02:34
Script: /thread.php?threadid=1343&sid=f8d2245f03e7377162a5e9bcf1dd2b94
Referer: