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 ('2ef8880724a4d49451abad3e03e89619','0','18.221.49.8','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716293411','thread.php?threadid=22311&sid=745a628feae689704f2be4d683397254','0','0','')
mysql error: Duplicate entry '2ef8880724a4d49451abad3e03e89619' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.6.15-MariaDB-cll-lve-log
php version: 5.6.40
Date: 21.05.2024 @ 12:10
Script: /thread.php?threadid=22311&sid=745a628feae689704f2be4d683397254
Referer: http://www.biker-community.com/thread.php?threadid=22311&sid=745a628feae689704f2be4d683397254