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 ('0342aa6c566187b3f8cbc986803d4339','0','3.142.252.199','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715572956','usercp.php?action=addsubscription&boardid=678&sid=64cef6ae52d2638f0ea600b81b7ee40f','0','0','')
mysql error: Duplicate entry '0342aa6c566187b3f8cbc986803d4339' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 13.05.2024 @ 06:02
Script: /usercp.php?action=addsubscription&boardid=678&sid=64cef6ae52d2638f0ea600b81b7ee40f
Referer: