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 ('8dd72e69b11636fb7363088858c5183d','0','3.21.233.41','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715419065','thread.php?threadid=14231&goto=lastpost&sid=e3776b968ee1f829f4ad445acb0d73f4','0','0','')
mysql error: Duplicate entry '8dd72e69b11636fb7363088858c5183d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.6.15-MariaDB-cll-lve-log
php version: 5.6.40
Date: 11.05.2024 @ 09:17
Script: /thread.php?threadid=14231&goto=lastpost&sid=e3776b968ee1f829f4ad445acb0d73f4
Referer: http://www.biker-community.com/thread.php?threadid=14231&goto=lastpost&sid=e3776b968ee1f829f4ad445acb0d73f4