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 ('0cb6df5342bee07dff13dbf3f88d65a2','0','3.21.76.0','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714753751','thread.php?goto=lastpost&threadid=2443&sid=b358a2b64012e25e1222ec6eb769b15e','0','0','')
mysql error: Duplicate entry '0cb6df5342bee07dff13dbf3f88d65a2' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 18:29
Script: /thread.php?goto=lastpost&threadid=2443&sid=b358a2b64012e25e1222ec6eb769b15e
Referer: